Education & Learning
Courses, tutorials, science and language learning.
1,510 resources · 13 sections · synced 01:30 AM
Documentaries
- Official YT Documentary Channels
YouTube Documentary Channels
- 1337x Documentaries
Torrent
- YT Video Essay Hall of Fame
YouTube Video Essay Archive / Frontend
- NASA+
Official NASA Streaming Service
Courses
Streaming
- Limnology
Educational YouTube Channels
- edX
Courses / Downloader
- MitOpenCourseWare
Courses
- Khan Academy
Courses
- Gresham College
Lectures / YouTube
- Class Central
Search for Courses
- Course CSE
Multi-Site Course Search
- OpenLearn
Courses
- Saylor Academy
Courses
- EbookFoundation Courses
Courses
- OpenCulture
Courses
- DigitalGarage
Google Courses
- OpenHPI
Courses
- OLI
Courses
- Video Lectures
Lectures
- Yale Courses
Lectures / YouTube
- Paul G. Allen School
Lectures
- Crash Course
Topic Crash Courses
Downloading
- Free-Courses-For-Everyone
Course Site Index
- Course Busters
Course Busters Access / Telegram Required
- Docspedia
Torrenting Sites / Use VPN
- AfraTafreeh
Courses
- LinkedIn_Learning
LinkedIn Courses
- CertCommunity
IT Cert Courses / Requires Phone # (Temp Works) / Use Leeches
Learning Sites
- Learn Anything
Learning Resource Search / Free Method / Discord / GitHub
- OpenCulture
Learning Resources
- The Borr Project
Learning Resources
- The Free Learning List
Learning Resources
- Awesome Educational Games
Educational Games Index
- PhET
Interactive Lessons
- r/educationalgifs
Learn with GIFs
- r/explainlikeimfive
Have Anything Explained Very Simply
- The Punctuation Guide
Punctuation Guide
- Basic Knowledge 101
Knowledgebase / Topic Learning
- media.ccc.de
Educational Presentations
- Stack Exchange
Q&A Communities
- Explorabl.es
Quizzes / Guides / Games
- AFAIK
Learning Map / Discord
- AnimaGraffs
Animated Infographs
- Memory Toys
Memory Tests / Training
- Art of Memory
Memory Improvement Book, Games, and Forums
- Information Is Beautiful
Data / Information / Infographics / Visualizations
- r/coolguides
Guides & Tutorials
- Astral Codex Ten (ACX)
Science, Psychology, and Philosophy Blog
- Common Misconceptions
Common Misconception Index
- masterWiki
MasterClass Classes Republished as wikiHow Articles
- LitCharts
Literature Guides
- Appropedia
Sustainability Wiki
- British & Exotic Mineralogy
Mineralogy Database
- ShipSpotting
Ship Index / Images
- P2PU
Join Learning Groups Using Free Courses
Virtual Tours
- Virtual Museum Resources
Online Museums
- CityHop
Travel Simulators
- Gez.la
Virtual Tours Map
- Wiki Spaces
Virtual Tours
- Musei Vaticani
Virtual Museum Tours
- Natural History Museum
Natural History Museum Virtual Tour
- Digital Giza
Great Pyramid Virtual Tours
- Persepolis Reimagined
Explore Persepolis Recreation
- BelowTheSurface
Archeological Object DB of Amsterdam
- WW2 in 100 Objects
WW2 Museum Virtual Tour
- Harald Joergens Panoramas
Aircraft Virtual Tours
- Virtual Vist Tours
Ireland Virtual Tours
- Virtual Yosemite
Virtual Yosemite Tour
- Matterport
Explore Real Places Digitally
- Basilica Viewer
St. Peter’s Basilica Tour
- 360Cities
360 Images / Videos
- Smithsonian 3D
Smithsonian 3D Digitization Museum
- National Palace Museum
National Palace Museum Virtual Tours
- The Bayeux Tapestry
Bayeux Tapestry 3D Digitization
Science / Math
- TIB AV-Portal
Science Videos
- LabXchange
Interactive Science / Math Simulations
- MagnifiedSand
Microscopic Sand Magnification Database
- LabPlot
Scientific Data Plotters
- BOINC
Donate Idle CPU + GPU Resources to Scientific Research / Manager / Number Theory / Humanitarian / Subreddit
Physics
- Physics Aviary
Physics Tools
- The Feynman Lectures
Physics Lectures
- Bartosz Ciechanowski
Physics Lessons / Learning
- Mujoco
Physics Simulations / Animations
- LibreTexts Physics
Physics Learning / Guides
- nLab Physics
Physics Encyclopedia
- Algodoo
Interactive Physics Tool
- QPaths
Learn Basic Quantum Terms
- Quantum Flytrap
Interactive Quantum Mechanics Virtual Lab
- quantum
Quantum Physics Learning App
- Physics Forums
Physics / Science Forum
- Unihedron
Electromagnetic Radiation Spectrum Chart
- Interactive 4D Handbook
Interactive Fourth Dimension
- Ray Optics Simulation
Light Reflection / Refraction Simulator
- Compare Pendulum
Pendulum Simulators
- OpenFoam
Fluid Dynamics Simulators
- SimScale
Fluid Dynamics & Heat Transfer
- Mago Fluid
Debris-Flow + Tsunami Simulation
- Bouncy Balls
Ball Physics Simulator
- WebGL Water
Water Simulation
- LAMMPS
Molecular Dynamics (MD) Code
- avogadro
Molecular Viewers / Editors
- Nuclear Reactor Simulator
Nuclear Reactor Simulator
Math
- Awesome Math
Math Resources
- Math and Science Lectures
Index of Math + Science Video Courses
- Number Academy
Encyclopedia of Numbers
- Wumbo
Math Reference Site
- The Borr Project
Math Roadmaps
- AoPS Alcumus
Adaptive Problem Solving
- BetterExplained
Math Guides / Courses
- Paul's Online Math Notes
Math Practice / Guides
- Manim
Generate Explanatory Math Videos / Videos / Difference Between Versions
- WolframAlpha
Searchable Knowledge Base / Mobile (search)
- OEIS
Encyclopedia of Integer Sequences
- Wolfram MathWorld
Mathematics Encyclopedias
- Algebrica
Mathematical Concept Database
- Red Blob Games
Interactive Math Sites
- Matthen
Math Animations
- Math Discord
Math Help / Community Discord
- Mathematical Olympiads
Mathematical Olympiads Discord Community / Discord
- Mathcha
Online Math Editors
- SequenceDB
Sequence Machine
- Erich's Packing Center
Geometric Packing Problem Archive
- ProofWiki
Mathematical Proofs Encyclopedia
- Giac/Xcas
Algebra System
- Algebra Rules
Learn Algebra Rules
- Linear Algebra Done Right
Linear Algebra Book / Guide
- Calculus Made Easy
Learn / Practice Calculus
- CLP
Calculus Textbooks
- Mathematics Roadmap
Mathematics Book Recommendations
- MathJax
JavaScript Math Display
- MathOnline
Math / Courses
- Professor Leonard
YouTube Math Lessons
- Mathispower4u
Math Lessons / Practice
- Coolmath Games
Math Games
- Cut The Knot
Math Equations / Problems
- HSC Maths By Topic
HSC Math Practice
- ParkMath
Math Guides
- ISODN Math
ISODN Math Discord Community
- Fourier Transform
Interactive Fourier Transform Guide
- Terence Tao Research
Mathematical Research
Engineering
- The Engineering Toolbox
Engineering Resources
- r/EngineeringStudents Resources
Engineering Student Resources
- Awesome Electronics
Electronic Engineering Resources
- Engineering Blogs
Engineering Blogs
- r/AskEngineers
Engineering Subreddit
- NPTEL
Engineering Courses
- KiCad
Schematics Editor / PCB Creator / SPICE Integration
- IEEE Spectrum
Engineering Magazine / News
- BOMwiki
Product Blueprint Components Database / X / GitHub
- Hackster.io
Hardware Learning / Project Sharing
- Sanfoundry
Engineering Questions & Answers
- SendCutSend Education
CAD Engineering Study Guide / Videos / X
- SOLIDWORKS Practice Problems
CAD Engineering Practice Exercises / X
- Tinkercad
Educational CAD Modeling
- LibreTexts Engineering
Engineering Learning / Guides
- Lunchbox Sessions
Interactive Mechanical / Electric Engineering Tutorials
- CESDB
Engineering Software
- MatWeb
Engineering Material Property Database
- Animated Engines
Engine Animations / Explanations
- 507 Movements
Mechanical Movement Animations
- How To Mechatronics
Tutorials / Guides for Mechatronics & Electronics
- Robot Shop
Robotics Forum
- VisRo Robotics
Robotics Learning
- Humanity's Last Machine
Humanoid Robotics Hardware & Supply Chain Analysis
- Cyberbotics
Robot Simulator
- Wokwi
Arduino / ESP32 Board Simulators
- HDLBits
Learn Circuit Design
- Last Minute Engineers
Electronics Engineering Learning
- Falstad
Electronic Circuit Design / Simulation Tools
- The Pinouts Book
Pinout Function Reference Guide
- Circuit Steps
Circuit Analysis Tool
- BatteryUniversity
Learn About Batteries
- Datasheet4U
Electronic Components Datasheet
- Electronics Tutorials
Electronic Guides
- Hacker Fab
Semiconductor Documentation / Research
- RetroSix
Retro Console Repair Guides + Info / Discord
- /m/engineering
Engineering Multireddit
- McMaster
Free 3D Printable Hardware Parts + Tools
- Build List
On-Demand Online Manufacturers
Chemistry
- Wolfram Alpha Chemistry
Chemistry Calculators / Tools
- LibreTexts Chemistry
Chemistry Texts
- Internet Chemistry
Chemistry Search Index
- Chemistry Basics
Basics of General, Organic, and Biological Chemistry
- ChemicalAid
Chemistry Calculators / Element Tables
- PubChem
Chemistry Wikis
- Chempirical
Chemistry Tools / Web
- Video-Tutor
Chemistry Lessons
- ChemistrySteps
Chemistry Practice / Guides
- Cliffnotes Chemistry
Study Guides
- Compound Interest
Chemistry Infographics
- Sciencenotes
Periodic Tables / Chemistry Projects and Questions
- Organic Chemistry
Organic Reactions
- CommonOrganicChemistry
Common Reactions / Common Reagents
- name-reaction
List of Name Reactions
- ChemTube3D
Interactive 3D Chemistry Animations
- ChemSpider
Chemical Structures
- ChemOCR
Extract Chemical Structures + Data from Images
- Merck Index
Online Merck Index
- Organic Chemistry Data
Organic Chemistry Data
- IGOC
Illustrated Glossary of Organic Chemistry
- Not Voodoo ReduX
Organic Chemistry Laboratory Techniques Guide
- Colorado Chemistry Simulations
Chemistry Animations
- Chemical Forums
Chemistry Forums
- ISODN Chemistry
ISODN Chemistry Discord Community
- Arkivoc
Journals
- WebQC Balance Calculator
Chemical Equation Balance Calculator
- Chemexper Chemical Directory
Chemical Directory
- OrgSyn
Chemistry Prep Guides
Periodic Tables
- Ptable
Interactive Table
- Zperiod
Interactive Table / Discord
- Images-of-elements
Element Images
- periodic-table.org
Material / Element Learning Resources
- Atom Animation
3D Visualizations of Atoms
- periodic-table.io
Interactive Table
- WebElements
Interactive Table
- Photographic Periodic Table
Image-Based Periodic Table w/ Physical Examples
Biology
- Awesome Bioinformatics
Bioinformatics Learning Resources + Tools
- Wikispecies
Species Databases
- OneZoom
Tree of Life Explorer
- Lost and Found Nature
Rediscovered Animal / Plant Database
- A-Z Animal
Animal Encyclopedia
- Wayne's Word
Biology and Botany Information / Learning
- Biology Online
Biology Articles
- Nature This Week
View Nature / Biology News from any Location
- Science Geek
Biology Study Guides
- LibreTexts Biology
Biology Learning / Guides
- Bodily Oddities
Human Anatomy Oddities Catalog
- Project Alveus Sanctuary
24/7 Educational Wildlife Live Streams / Conservation Project
- BioNinja
IB Biology Reference / Study Guide
- The Biology Project
Biology Problem Sets & Tutorials
- Biodiversity Heritage Library
Biodiversity Research
- Alien
Artificial Life Simulator / Video / GitHub
- Map of Life
Interactive Map of Species Distributions
- Movebank
Animal Tracking Map / Database
- Metazooa
Species Connection Game
- Phenome10K
Biological / Palaeontological 3D Scans
- RecentlyExtinctSpecies
Recently Extinct Species Database
- UniProt
Protein Database
- iNaturalist
Organism Identification
- Ocearch
Track Marine Life
- The Deep Sea
Interactive Deep Sea Life Guide
- Pattern Radio
Listen to Whale Songs
- eBird
Bird Species Databases / IDs
- BirdLife DataZone
Bird Conservation Information
- EuroBirdPortal
European Bird Distribution Map
- Koreaves
Korean Regional Bird Evidence Explorer
- BirdSounds
Thousands of Bird Sounds Visualized
- Featherbase
Bird Feather Database
- BugGuide
Insect Identification Community
- AntWeb
Ant Species Database
- Spider ID
Spider Species Database / Identification Community
- Macroinvertebrates
Freshwater Macroinvertebrates Atlas
- Life Under the Ice
View Antarctic Microbes
- Pteros
Pterosaur Database
- WFO
Plant Database
- The Ferns
Tropical Plant Database
Med School
- r/MedicalSchool Wiki
Med School Resources
- Khan Academy
Physiology / Pathology Overviews
- Radiopaedia
Radiology Resources
- Stop the Bleed
Free First Aid Video Courses / Resources
- MDCalc
Medical Reference Sites / Tools
- Geeky Medics
Clinical Guides
- LibreTexts Med
Medical Learning / Guides
- Get Body Smart
Anatomy Guides
- AnatomyLearning
3D Human Anatomical Models
- NIH Print
Biomedical Science 3D Models
- Sectional Anatomy
Cross Sectional Educational MRI / CT Scans
- University of Minnesota Histology
Histology Guides
- Tulane University Pharmacology
Pharmacology Info & Quizzes
- Litfl
ECG Information
- The ECG Course
ECG Video Course
- ECG Wave-Maven: Self-Assessment Program
ECG Practice / Learning
- Hyper Heart
Massey University Heart Animation
- Emergency Medicine Cases
EM Case Index
- EMCrit
Emergency Medicine Information
- DeployedMedicine
Combat Medicine Guide / Manuals / Videos
- EMRap
Emergency Medicine Videos
- Lifesaver
Interactive CPR / First Aid Training Videos
- Calgary Guide
Disease Pathophysiology / Manifestation Flow-Charts
- MalaCards
Human Disease Database
- Folding@home
Donate Idle PC to Disease Research
- Epidemic Calculator
COVID Data
- Pathology Outlines
Pathology Info
- University of Utah Pathology
Pathology Guide
- The Iowa Virtual Slidebox
Pathology Atlas Software
- Nextstrain
Pathogen Evolution Tracking
- HemOnc
Hematology / Oncology Reference Site
- DermNet
Dermatology Reference Site
- EyeWiki
Eye Encyclopedia
- Passmedicine
UCAT Practice Questions
- UCAT Score
UCAT Score Converter
- r/medicalschoolanki
Community for Medical Anki Cards
- Erowid
Educational Psychoactive Substance Reference
- PsychonautWiki
Educational Psychonautics & Pharmacology Database
Space
- r/Space
Space Subreddit
- Space Dashboard
Space Live Stream Dashboard
- NASA
National Aeronautics and Space Administration Website / Images / Audio / Documents / APIs / History
- March to the Moon
Apollo (Missions) Images
- Apollo in Realtime
Interactive Apollo Missions
- Artemis II Photo Timeline
Artemis II Photo & Video Timeline
- Lunaserv Global Explorer
Interactive LROC / Moon Exploration Tool
- Marspedia
Mars Wiki
- ESA
European Space Agency Website / X
- JAXA
Japanese Space Agency Website / Images / Videos
- CSA
Canadian Space Agency Website
- ISRO
Indian Space Research Organization
- Space.com
Space News
- Russian Space Web
Russian Space Program News / History / X
- Mental Landscape
Soviet Space Exploration Archive / X
- Encyclopedia Astronautica
Space Encyclopedia
- NASA History
NASA Books
- Ask an Astronaut
Astronaut Interview Q&A Search
- Cosmos2025
Universe Scale Simulators
- NASA's Eyes
3D Space Visualizations / Solar System
- RGV Aerial Photography
Aerial Photography Community / News / X
- TheCMB
3D Cosmic Microwave Background Model
- ISODN Earth Science
ISODN Earth Science Discord Community
Astronomy
- Astronomy Resources
Astronomy Resources
- NASA2Explore
Astronomy Images
- JPL Photojournal
JPL Planetary Image Archives
- In The Sky
Astronomy News / Interactive Guides
- ISODN Astronomy & Astrophysics
ISODN Astronomy & Astrophysics Discord Community
- ViewSpace
Space Videos and Digital Interactives
- Sky Calendar
Astronomy Calendar
- Nights on Earth
Astronomical Event Calendar
- SolarHam
Space Weather News & Updates
- SunCalc
Sun / Moon Position
- Earth and Moon Viewer
Earth / Moon Latitude and Longitude Viewer
- SDO Dashboard
Live Sun Feed
- SkyViewer
Interactive Star Visualizations
- Space Time
3D Solar System / Star System Simulators
- TheSkyLive
Solar System Simulators / Information
- CelesTrack
Earth Orbit Visualization
- Space Object Comparison
Compare Sizes Of Celestial Objects
- 1 Pixel moon
Solar System Scale Model
- Astrogeology
Planetary Maps
- Eyes on Exoplanets
Interactive Exoplanet Explorers / Viewers
- ExoplanetArchive
Exoplanet Database
- AndroidPlanisphere
Android Star Chart
- Aladin
Astronomical Image Viewer / Lite Version
- Siril
Astronomical Image Processor
- ESAsky
Public Astronomical Data
- Stellarium-Web
Virtual Stellariums
- WorldwideTelescope
Interactive Telescope Data / Home Page / GitHub
- ESA Hubble
Hubble Telescope Images
- James Webb Space Telescope
Webb Space Telescope Sites
- Webb Compare
Webb / Hubble Images / GitHub
- APOD
Daily NASA Astronomy Images
- r/SpacePorn
Astrophotography Subreddits
- Meteor Showers
3D Meteor Shower Visualization
- Live Meteors
Live Meteor Radio Echoes
- Clear Dark Sky
Star Gazing Weather Forecasts
- Dark Site Finder
Star Gazing Site Locators
- Light Pollution Map
Light Pollution Maps
Spacecraft
- EarthData
Daily Satellite Replays
- Earth Observatory
Satellite Imagery
- NASASpaceFlight
Launch Livestreams / News / Forum / X / YouTube
- Next Spaceflight
Rocket Launch & Spaceflight Schedules / Trackers
- TonyBela Infographics
Spacecraft / Rocket Infographics / X
- HeroicRelics
Spacecraft Technical Information Archive
- Ringwatchers
Starship Diagrams / Articles / Community / X / Discord
- Energia-Buran Archive
Energia-Buran Image Archive / X
- Andegraf Rockets
Rocket Diagrams
- Gunter's Space Page
Satellite Encyclopedia / Launch Database / X
- Sven's Space Place
Space Mission Technical Analysis
- Orbiter
Open Source Spaceflight Simulator / Subreddit / GitHub
- Sen
ISS Live Feed + Video Archive / YouTube / X
- ISS In Realtime
Historical ISS Mission Replays / Database
- ISS Sim to SPACEX
ISS Docking Simulator / X
- Transit Finder
ISS Transit Tracking
- Satellite Map
Satellite Orbit Maps / Trackers
- See A Satellite Tonight
Satellite Viewing Schedule / Locations
- Visual Satellite Observer
Satellite Viewing Guides / Information
- Spacebook
Evaluates / Tracks Satellite Collision Risks & Maneuvers
- Leolabs Space
Low Earth Orbit Simulator / X
Aerospace Engineering
- Star Rocketry
Aerospace Engineering Learning Resources
- Awesome Flying FPV
Remote Copter / Plane Resources
- r/AerospaceEngineering
Aerospace Engineering Community
- AerospaceWeb
Aerospace Info Database / Calculators / Q&A
- JetPhotos
Aircraft Indexes / Images
- Flight Mechanics
Aircraft Flight Mechanics Learning
- eCalc
Aerospace Engineering Calculators / X
- Av8n
Aviation Physics Textbook
- SmartCockpit
Aircraft Systems / Technical Manuals
- F-16.net
F-16 Information, History, Images, Stories & more
- HeliStart
Helicopter Aerodynamics / Flight Mechanics Guides + History
- V2Rocket
A-4 & V-2 Rocket History / Resources
- Boeing 737 Technical Site
B737 Technical Engineering Guides / History / X / YouTube
- OpenVSP
Aircraft Geometry Tool / GitHub
- UIUC Applied Aerodynamics Group
Airfoil Coordinates / Aerodynamic Research
- XFLR5
Airfoils Analysis Tool
- Outerzone
Model Airplane Plans
- Airfoil Tools
Airfoil Coordinates / Dat Files
Rocketry
- The Rocketry Forum
Rocketry Forums / Community
- r/rocketry
Rocketry Community / Discord
- Nakka Rocketry
Rocket Technical Archive
- JCRocket
Rocketry Technical Information / YouTube
- Half Cat Rocketry
Liquid Rocket Guide / Info / Resources / Documentation / X / Discord / GitHub
- Robert’s Rocket Project
LOX/Kerosene Liquid Rocket Info / Resources / Documentation
- OpenRocket
Rocket Simulator / Wiki / Discord / GitHub
- RocketReviews
Rocket Reviews / Test Results
- ThrustCurve
Rocket Motor Performance Database
- MIT Rocket Team
Official MIT Rocket Team Wiki / Wiki / Resources
- Jacobs Rocketry
Rocketry Info / Manuals
- Tripoli Rocketry
High-Powered Rocket Resources / Info
- Hot Nozzle Society
High-Power Rocketry Guide / Community / X / Discord
- RocketPy
High-Powered Rocket Simulator / Discord / GitHub
- openMotor
Internal Ballistics Simulator
Drones
- UAVs FYI
Drone Information, Resources, Hardware & Supply Chain Analysis / X
- OscarLiang.com
FPV Drone Tutorials / Reviews / X
- RCPlanes Online
RC Plane Aerodynamics / Guides
- My Balsa & Glass Workshop
RC Model Builds
- OpenDroneMap
Drone Mapping Software
- Open Drone Logbook
FOSS Drone Log / X / Discord / GitHub
- Stolen Drone
Stolen Drone Info
Simulators
- Falcon BMS
Falcon 4.0 Modernization Project / Manuals / Wiki / Forum / YouTube / Subreddit / Discord
- FlightGear
Open-Source Flight Simulator / X / GitLab
- Phoenix RC
RC Plane + Helicopter Simulator
- SeligSIM
Flight Simulators for RC Planes
- CKAN
Kerbal Space Program Mod / Dependency Manager
- Luna Multiplayer
Kerbal Space Program Multiplayer Mod / Discord / GitHub
- SatModeler
Satellite Mission Simulation Software / Signup Required
History
- Historic Films
Historic Footage / Films
- Histography
History Timelines
- MorbidKuriosity
Dark History, Conspiracies, Crime, Myths, etc.
- LibreTexts History
History Learning Texts
- Smithsonian Institution Archives
Historical Photos / Documents
- Museo
Museum Search
- Arachne
Archaeology Object Database
- Pantheon
Historical Figure Database + Trivia
- Shorpy
Historical Photos
- Historic Aerials
US Historical Aerial Imagery / Maps
- EyewitnesstoHistory
Historical Eyewitness Testimonies
- HMDB
Historical Marker Database
- London Remembers
London Historical Marker Database
- ManuscriptMiniatures
Medieval Manuscript Images
- Emblematica Online
Renaissance Emblem Book & Image Archive
- Ancient Graffiti
Early Roman Handwritten Inscriptions
- BlackPast
African History Encyclopedia
- Athena
Greek History Encyclopedia
- Mission US
American History Learning Games
- OnThisDay
What Happened on Specific Days
- Royal Constellations
Royal Family Ancestral Visualization
- WildWinds
Ancient Numismatics / Coin Database
- The Food Timeline
Food History Timeline
- Historical Recipes
Historical Recipes
- Gode Cookery
Authentic Medieval Recipes & Historical Info
- The Food Historian
Food History Blog
- SmartHistory
Art / Cultural Object History
- gwulo
Historical Hong Kong Photo Archive
- CARI
Design Aesthetics History
- ChinesePosters
Chinese Propaganda Poster History
- Fashion History Timeline
Historical Fashion Resources / History
- PessimistsArchive
Historical Technological Pessimism Archive
- Anthropeum
Historical Artifact Guessing Game
- Time Portal
Historical Time-Period GeoGuessr
- Forebears
Name Etymologies
Tech History
- Historical Tech Tree
Historical Discovery / Tech Timelines
- ETHW
Engineering and Technology History Wiki
- Museum of Obsolete Media
Physical Media Format Wiki / History
- BetaWiki
Operating System / Software History
- Old Computer Museum
Computer History
- The Retro Web
Computer Hardware History
- HP Computer Museum
HP Computer History
- Folklore
Apple Computer History
- Crypto Museum
Cryptographic Machine History
- VGA Museum
Graphic Cards History
- Virus Encyclopedia
Computer Virus History
- MobilePhoneMuseum
Mobile Phone History / Info
- ObsoleteSony
Portable Audio Player History / Databases
- Web Rewind
Interactive Web History Journey
- InfoMesh
Web History / Info
- VersionMuseum
Website History / Info
- info.cern
First Website on the Internet
- TubeVault
Archive of Oldest YouTube Users & Videos
- rip.so
Dead Project Archives
Military / Conflict History
- WW2 Links
Educational WW2 Resources
- De Re Militari
Medieval Military History
- Royal Armouries Collections
Armaments Museum / X
- Battle Order
Historical Military Infographics / X
- TracesOfWar
Military History & Battlefield Landmark Archive / Subreddit / X
- World War II Database
WW2 History Databases
- Little Friends
WW2 8th Air Force History Archive
- U-boat Archive
WW2 Battle of the Atlantic Historical Archive / X
- Nuremberg Trials Project
Nuremberg Trials Document / Transcript Archive
- Imperial War Museums
British & Commonwealth War Footage / X
- Tank Archives
WW2 Armoured Warfare Documents / X
- NHHC
Naval & Maritime History Sites
- NavWeaps
Naval Weapons, Technology and Reunion History
- Shipbucket
Scale Drawings & Blueprints of Naval Ships / Discord
- Warbirds Resource Group
Military Aviation History Encyclopedia
- Warbird Alley
Historical Archives of Military Aircraft
- The History of Maritime Piracy
Piracy History Blog
- Byzantine Military
Byzantine Military History
- 911 Realtime
9/11 in Real-Time / GitHub
- Atom Central
Historical Archive of Atomic & Nuclear Tests / YouTube
- NuclearWeaponArchive
Nuclear Weapons History
Mythology / Folklore
- GodChecker
Historical Mythology Encyclopedia
- Theoi
Greek Mythology
- Mythopedia
Historical Mythology Encyclopedia
- ABookOfCreatures
Mythical Creature Encyclopedias
- Germanic Mythology
Germanic Mythology
- Inuit Myths
Inuit Mythology
- ObscUrban Legend Wiki
Mythology / Urban Legends
- Encyclopedia Mythica
Mythology / Folklore / Religion
- FolkTexts
Mythology / Folklore
- Mythology.net
Mythology / Religion
- Japanese Mythology
Japanese Mythology / Folklore
Humanities
World Data
- Awesome Datasets
Public Datasets
- Worldometer
World Data & Statistics
- Our World in Data
World Problem Database
- Data Commons
World Data Visualizations
- If It Were My Home
Country Data Comparisons
- CityPopulation
Location / Population Data
- City Data
US City Data
- Rulers.org
World Heads Of State & Government Databases
- OpenSanctions
Government Sanctions Database / GitHub
- World Births and Deaths
World Birth / Death Rates Visualization
- SIPRI Database
Global Military Data
- DataUNODC
Drug / Crime Statistics
- Gun Violence Archive
Gun Violence Statistics
- Incarceration in Real Numbers
Incarceration Visualization / Facts
- Climate Data
Climate Change Data
- En-ROADS
Climate Solutions Simulator
- ExtremeWeatherWatch
Extreme Weather Data / Tracking
- Global Volcanism Program
Volcano Information Database
Geography / Sociology
- Soar
Atlases
- Country Infographics
Country Infographic Images
- Ekvis
Geography Quiz / Guessing
- LibreTexts Social Science
Social Science Learning
- Cultural Atlas
World Culture / Religion Guides
- AntipodesMap
Find Antipodes
- The True Size
Compare Country Size
- UNESCO World Heritage
World Heritage Location Index
- GovTrack
US Government Legislation Tracking / Votes
- iCivics
U.S. Law Learning Games
- LGA World Database
LGBT Legal Rights Map / Policy Tracking
- Trans Rights Map
Trans Legal Rights Map / Policy Tracking
- 8000ers
Mountain Visualization & Info
- WorldLicensePlates
World License Plate Index
- Symbols
Symbol Database
Vexillology / Flags
- Flags of the World
Flag Databases
- FAME
Flag / Coat of Arms Database
- r/vexillology
Vexillology / Flag Subreddits
- Vexillology Discord
Vexillology / Flag Discord Community
- Flag Stories
Flag Design Breakdowns
- Flag Meanings
Flag Meaning Breakdowns by r/vexillology
- PrideFlags
LGBT Flag Database
- HOTW
Coat of Arms Database / Wiki
- r/heraldry
Heraldry / Coat of Arms Subreddit
- Flag Guesser
Flag Quizzes / Guessing
- Vexle
Daily Flag Drawing Game
Economics
- The Atlas of Economic Complexity
Global Economic Growth Data
- Integrity Index
US Political Finance Integrity Database / Subreddit / Discord
- CORE Econ
Economics Textbooks
- OEC
Global Trade Data
- CountryEconomy
Country Economic Data
- OEC Games
Trade Data Games
- Statista
Market Statistics
- BLS
U.S. Bureau of Labor Statistics
- OilPrice
Oil / Energy Price Tracking + News
- OpenSecrets
Government Money Tracking
- WorldPoverty
World Poverty Data
- Expatistan
Cost of Living Calculator
- Cost of Living
Cost of Living Map
- MoveMap
North America Property Costs Map
- Opportunity Atlas
Interactive Future Success Impact Map
- HungerMap
Global Hunger Map
- Unequal Scenes
Scenes of Inequality Around the World
- Dollar Street
Compare Homes by Country / Income
- Netblocks
Find Impact of Internet Shutdown on Economy
- Is AI Profitable Yet?
Track Total Amount Spent / Revenue of AI Companies
Philosophy
- Stanford Encyclopedia of Philosophy
Philosophy Encyclopedias / Search
- Early Modern Texts
Early Modern Philosophy
- Philosophy Bro
Philosophy Resources / Learning
- Wireless Philosophy
Philosophy Videos
- The Internet Classics Archive
Classic Philosophy Literature
- 1000-Word Philosophy
1000-Word Essays on Philosophical Topics
- Untools
Better Thinking Tools
- Landscape of Consciousness
Consciousness Theory Index
- Brainkit
Learn Helpful Principles
- Art of Manliness
Develop Life Skills
- Sketchplanations
Explanation Sketches
- IEoP
Learn about Logical Fallacies
- RationalWiki
Pseudoscience Refutation Wiki
- YourBias.is
Learn about Biases
- The Cognitive Bias Codex
Interactive Cognitive Bias Infographic
- Philosophy Stack Exchange
Philosophy Forum
- Kialo
Debates / Discussion
- Effective Altruism Forum
Effective Altruism Learning / Forum
- Umsu
Analytic Tableaux Generator
- Proofs
Natural Deduction Proof Checker
- PropCalc
Propositional Logic Calculator
- ModalLogic
Model Logic Playground
- Logitext
Sequent Calculus Tutorial
- WikEnigma
'Known Unknowns' Wiki
- The Trolley Problem Game
The Trolley Problem
- Social Engineers
Social Engineering Guides
Skills / Hobbies / DIY
- Knots 3D
Learn to Tie Knots
- Ian's Shoelace Site
Learn to Tie Shoelaces
- Make it Yourself
DIY Projects / Crafts
- Low Tech Magazine
Sustainable DIY Tech Guides
- Toys from Trash
Use Everyday Items to Make Toys
- Craft Yarn Council
Knitting + Crochet Learning
- Antique Pattern Library
Antique Pattern Library / Knitting + Crochet
- BraceletBook
DIY Bracelet Pattern Database
- HamExam
Ham Radio Practice Exams
- ARRL
Amateur Radio Resources / Learning / Exam Search / Question Pools
- QRZ
Amateur Radio Call Sign Database / Forums
- Perry Morse
Learn / Practice Morse Code
- Lock Picking 101
Lock Picking Forum
- LibraryOfJuggling
Juggling Technique Database
- diyhpluswiki
DIY Biohacking
- Online Coin Club
Coin Collectors Database / Info
- Activist Handbook
Campaigning / Activism Guides
- Bridge Command
Bridge Command Ship Simulator
- UER
Urban Exploration / Abandoned Place Forum / MAP
- PaperToys
Printable Paper Toys
- Fold N Fly
Paper Airplane Guides
- AXM Paper Space Scale Models
Spacecraft Paper Models
- ExplOri 22.5
22.5 Degree Origami Design Tool / Discord
- HypnosisChatBooks
Hypnosis / Telegram
Survival / Preparedness
- Survivor Library
Survival Book Collections
- SurvivalManual
Survival Manual / App
- ExploreMarMaris
Survival PDFs
- Trail Sense
Wilderness Survival App / GitHub
- Wikiciv
Survival / Civilization Rebuilding Wiki / Discord
- CD3WD Project
Sustainable Development Information
- The Preparedness Encyclopedia
Preparedness Encyclopedia
- r/Preppers
Preparedness Subreddit
- r/PrepperFileShare
Preparedness File Sharing
- Project NOMAD
Self-Contained Offline Knowledge + Off-Grid Database / GitHub
Music
- Awesome Music Theory
Music Theory Resources
- Muted
Music Theory Learning
- LibreTexts Music
Music Learning
- Z-Tonnetz
Music Visualization Tool
- AudioZ
Audio Courses / Forum
- ProducerLibrary
Audio Production Tutorials
- Helio
Music Composition Tools
- Circle of Fifths
Visualize Notes, Chords and Keys
- ScoreCloud
Chord Detection / Transcriber
- Arpeggiator
Chord Progression Generators
- HookTheory
Chord Progression Library
- LilyPond
Music Engraving Program
- Piano Scribe
Piano Transcriber
- Learning Music
Music-Making Lessons
- Midiano
Piano Practice / Learning
- Fundamentals of Piano Practice
Piano Practice Book
- TrueToneGuitar
Guitar Tools
- FretFlip
Learn Guitar Scales / Chords
- JamStart
Spotify Chord Charts
- #fretflip
Create / Print Guitar Scales & Chord Charts
- JustinGuitar
Guitar Lessons
- Ultimate Guitar
Guitar Tabs
- Chorder
Guitar Chord Finder
- Guitar Fretboard
Virtual Fretboards / Guitar Lessons
- StudyBass
Online Bass Lessons
- coop3rdrumm3r
Drum Lessons
- 911tabs
Tabs
- Jazz Improvisor
Improvised Jazz
- LearningSynths
Synthesizers
- Sight Singing Factory
Sight Singing Practice
- PerfectPitch
Pitch Recognition Practice
- MusicStaff
Music Teacher Search
- ChiffAndFipple
Irish Traditional Music Forum
- MIMO
Musical Instrument Database
- VGM Sound Sources
VGM Sound Sources / Discord
- NTS Field Recording Guide
Field Recording Guide
Art / Editing
- Creator Resources
Art & Animation Resource Index
- AwesomeAnimeResearch
Anime Machine Learning
- Art Study Guide
Art Study Guides / Tips
- Drawabox
Drawing Lessons
- Proko
Figure Drawing Lessons
- PaintingTube
Art Video Tutorials
- Ubu
Avant-Garde Artifacts
- Online-Courses
Art / Design Courses
- TutsPlus
Creative Courses
- Curriculum for the Solo Artists
Self-Taught Artist Curriculum
- DoArtDaily
Daily Art Challenges
- Character Design References
Character Design Visual Library
- FloobyNooby
Storyboard Guides
- Settei Dreams
Anime Production Materials
- Anime Study General
Anime Production Community
- McLelun
Anime Style Background Tutorial
- AnimeOutline
Anime / Manga Drawing Tutorials
- Design Tuts
Design Tutorials
- PhotoshopTutorials.ws
Photoshop Tutorials
- DomDesigns
Illustrator Tutorials
- PhotoshopTraining
Photoshop YouTube Tutorials
- Practice Drawing This
Drawing Practice
- The Bézier Game
Pen Tool Practice
- ArtWithFlo
Procreate Tutorials
- Paintable
Digital Art Tutorials
- Pedro's Pixel Art Tutorials
Pixel Art Tutorials
- MetPublications
Art Learning Books
- GraphicsCodex
3D Computer Graphic Guides
- The Etherington Brothers
Drawing / Animation Tutorials
- DrawingNow
Learn to Draw
- Drawingbooks.org
Old Drawing Books
- Line of Action
Figure Sketch Tools / Lessons
- AnatomyArchive
Human Anatomy Drawing Tutorials
- Artist Reference
Photo References for Artists
- x6ud
Animal Photo Reference Search
- Thomas Romain Perspective
Perspective Guide
- Dimensions
Object Dimension Reference
- Storied Colors
Historical Catalog of Colors / Pigments
- DevinKorwin Color Guide
Color in Paintings Guide
- Draw Mix Paint
Learn Oil Painting
Rubiks Cube
- Cubing.net
Cubing Tools
- Rubiks Cube Guide
Guide to Rubiks Cube / Resources
- J Perm
Cubing Tutorials / Practice Resources
- CubeDesk
Feature-Rich Cubing Timers
- SpeedCubeDB
Algorithm Database
- F2L Trainer
F2L Rubiks Trainer
- crystalcube
CFOP Cross Trainer / Edge Orientation Trainer
- ZZ Method
Learn / Practice ZZ 3x3 Rubiks Speedrunning Method
- Roux Trainers
Learn Roux Solving Method
- SpeedSolving
Cubing Wiki / Community Forum
- World Cube Association
Cubing Competitions & Records
- alg.cubing.net
Algorithm Animators / Visualizers
- F2L Trainer
Algorithm-Specific Trainers
- BlindTrainer
Blindfolded Rubik's Trainer
- Hypercubing
Hypercubing Wiki
- Speedcube.app
Cubing Timer (Mobile-Friendly)
- SolveTheCube
Cubing Timer
- qqTimer
Cubing Timer
Chess
- TheChessDirectory
Chess Resources
- /m/Chess
Chess Subreddits
- r/Chess Books
Community Recommended Books
- Pawn Appétit
Modern Chess GUI & Database Manager / GitHub / Databases
- Lucas Chess
Chess Training Software
- Chess Tempo
Tactics Training / Endgame Solver
- Scid vs. PC
Chess Database Software
- Lumbra's Gigabase
Cleaned Master Game Database
- OpeningTree
Opening Repertoire Tree & Scouting Tool for Lichess & Chess.com
- Maia Chess
Human-Like AI Training Opponent & Blunder Modeling
- Listudy
Spaced Repetition Openings, Blind Tactics & Endgames
- Blitz Tactics
Fast-Paced Chess Puzzle Training
- Tactic or Not
Evaluate Tactics / Discord
- Chessort
Chess Move Evaluation Training
- Shâh Kur
Blindfolded Chess Practice
- TheChessWebsite
Learn / Practice Chess
- Chess Frog
Chess Challenges
- ChessLab
Learning Community / Discord
- Chess Coach
Chess Coaching App
- Chess Vision
Scan Chessboard Diagrams & Images Into Engine Analysis
- Chess Monitor
Performance & Analytics Dashboard for Lichess and Chess.com
- WintrChess
Web Game Review & Engine Analysis
- ChessBlunders
Analyze Match Mistakes
- ChessMD
Chess Training / Match Analysis / GitHub
- Syzygy Tables
7-Piece Endgame Tablebase Explorer
- The Week In Chess
Weekly PGN Chess Game Archives
- ChessGames
Historic Master Games Archive & Discussion
- Chess Results
FIDE Tournament Results Database
- Chess Second
FIDE Player Stats, Rating Histories & Opponent Scouting
- Olympiad Stats
Chess Olympiad Statistics / Round Analysis
- 365Chess
Chess Database / Opening Explorer
- 2700chess
Live Ratings for Super Grandmasters
- YottaChess
Professional Player Database
- ChessBase
Chess News, Articles & Tournaments
- Visual History of Chessmen
Chessmen History Guide
Go / Baduk / Weiqi
- Go Magic: How to Play Go
Beginner Go Tutorial
- r/baduk
Reddit community for Go / Baduk / Weiqi
- Online Go Server (OGS)
Modern Online Go Platform / GitHub
- Sensei's Library
Comprehensive Go Wikipedia
- Sabaki
Go Board & SGF Editor
- Kaya
Go (Baduk/Weiqi) Board Analysis Tool / GitHub
- Black to Play
Go Puzzles
- KataGo
Open-Source Neural Network Go AI
- The Interactive Way To Go
Interactive Beginner Tutorial
- Josekipedia
Dictionary for Corner Openings
- Waltheri's Go Pattern Search
Pro Game Pattern Search Engine
- GoProblems
Tactical Puzzle Database
- GoKibitz
Game Reviews and Community Feedback
- Baduk.club
Map of Go clubs and Players
- KGS Go Server
Classic server / Teaching Community
- Igowin
9x9 Desktop Go AI for Beginners
Dungeons & Dragons
- D&D Compendium
D&D Tools & Learning Resources
- 5etools
Rules & Content References
- D&D Beyond
Official Toolset for 5E
- Kobold+ Fight Club
Encounter Builder & Balancer
- Avrae
D&D Automation Discord Bot
- DnD-Books(4e,5e,5.5e)
D&D 4E/5E Rulebooks / Manuals
- The Homebrewery
Custom Rulebook & Document Creators
- r/UnearthedArcana
D&D Homebrew Content Subreddit
- Cruinne's D&D Reading Room
D&D Worldbuilding Checklist
- DiceCloud
D&D 5e Character Manager / GitHub
- DMHeroes
D&D NPC Generator / Classic
- Tetra-cube
Monster Statblock Generator
LEGO
- Awesome Lego
LEGO Resources
- Rebrickable
LEGO Collection Manager / Build Ideas
- Mecabricks Workshop
Virtual LEGO Building / 3D Editors
- Brickset
LEGO Set Database / Reviews / Marketplaces
- Brickfact
LEGO Set Database / Price Tracker
- Brick Hound
LEGO Deal Alerts
- Brickognize
LEGO Brick / Minifigure Identification Tool
- MinifigScan
LEGO Minifigure Blind Box Identification Tool
Language Learning
Multi-Language
- Language Links
Language Learning Resources
- Speechling
Language Learning Tools
- LexiLogos
Language Dictionary Indexes
- Talking Dictionaries
Endangered Language Dictionary Index
- Comprehensible Input Wiki
Learn Languages via Comprehensible Input
- Language Transfer
Language Learning Lectures
- Yomitan
Popup Dictionary / Discord
- Language Reactor
Learn Languages via Videos
- Readlang
Learn a Language via Web Browsing
- Omniglot
Writing System & Language Encyclopedia
- Lute
Learn a Language via Reading / GitHub
- Chimahon
Learn Languages via Manga, Novels & Anime / Android
- Lingotype
Learn Languages via Typing
- Language Learners
Language Learning Forum / Community
- WordReference
Translation Dictionaries
- ReverseDictionary
Search for Words Using Their Meanings
- Languagelearning.site
Language Learning Torrents
- Refold
Language Learning Roadmap
- Lengualytics
Comprehensible Input Tracker / Resources
- LingoDeer
Language Learning Lessons
- Language Drops
Language Learning App with Thematic Vocab
- Yojik
Language Learning Courses
- DLIFLC
Language Learning Quizzes
- Danobang
Language Learning Games / Interactive
- LanguageGuide
Visual Language Learning
- clozemaster
Context-Based Language Learning
- Sounter
Learn Languages via Music
- MORT
Learn Languages via Games
- Language Roadmap
Foreign Language Media Difficulty Guide
- LearnWithOliver
Language Learning Flashcards
- MyLanguages
Grammar / Vocabulary Language Learning
- Vocatra
Vocabulary Trainers
- ListLang
Most Used Words in Any Language
- LingYourLanguage
Language Identification Test
- Elara Archive
Endangered Language Video + Audio Archive
- IPA Reader
International Phonetic Alphabet Reader
- Interactive IPA Chart
Learn Phonetic Alphabet Symbols
- DialectArchive
Listen to Accents
- TeachMeHebrew
Learn Hebrew
- wehewehe
Hawaiian Dictionary
Language Exchange
- The Language Exchange Network
Language Exchange Communities / Discord
- Language Learning Discord Index
Language Learning Discord Servers
- ISODN Linguistics
ISODN Linguistics Discord Community
English
- Many Things
ESL Resources
- ESOL
English Learning Resources
- youglish
YouTube Word Pronunciations
- Forvo
Pronunciation Dictionary
- The Internet TESL Journal
Resources for EFL and ESL Teachers
- EFSET
English Proficiency Test
- Spellcheck
English Spelling Game
- Learn English Online
English Lessons
- EnglishCentral
English Video Lessons
- Frenglish
English Learning Books
- elllo
English Listening Lessons / Practice
- TalkEnglish
Improve Spoken English
- WriteAndImprove
Improve English Writing
- Elsaspeak
Practice English Conversations
- Spanish-English
English Learning Community / Discord
- Jumpinto
Cambridge English Practice Tests
- IELTS Liz
IELTS Test Preparation
- yell0wsuit
Word Learning Site
- English Phrasal Verbs
English Phrasal Verb Practice
- Podcasts in English
English Learning Podcasts
- Langeek
Grammar / Vocabulary Language Learning
- EnglishAccentMap
English Accent Videos / Map
- EnglishBanana
English Learning Worksheets
- Free4Talk
English Learning Communities
Japanese
- yame dame
Learning Resources
- Tsunahiro
Japanese Learning Videos
- Manatan
Learn Japanese via Anime, Manga & Light Novels
- Nihongo con Teppei
Japanese Beginners Podcast
- JapaneseTab
Japanese Learning Extension
- Sakana Translate
English > Japanese Translator
- Minato
Japanese Courses
- Memento
Japanese Learning Video Player
- Supernative
Learn Japanese via Media
- jidoujisho
Learn Japanese via Books
- VNClub
Learn Japanese via Visual Novels
- Learn Japanese Grammar
Learn Japanese Grammar
- OJAD
Japanese Accent Dictionary
- DelvinLanguage
Fill in Missing Japanese Words
- Jlpt N3
Jlpt Exam Questions / Grammar
- GetKanda
Learn Kana
Korean
- Learn Korean
Korean Learning Discord
- Read Korean Letters
Learn Korean Characters
- KR Dict
Korean Learning Dictionary
- HowToStudyKorean
Korean Lessons / Practice
- iksi
Korean Classes
- TalkToMeInKorean
Korean Learning Courses
- Sogang
Korean Learning Lessons
- Mirinae
Korean Word Breakdown
- National Institute of Korean Language
Korean Dictionaries / Expression Practice
- LetsLearnHangul
Hangul Learning
- Hangul Practice
Hangul Recognition Test
- UltimateKorean
Korean Grammar / Vocab Lessons
- KoreanKeyboardLearner
Korean Typing Practice
- Korean Trainer
Korean Numbers & Date Practice
- Hangul
Korean Typing Practice
Chinese
- YellowBridge
Chinese Learning Tools
- Heavenly Path
Chinese Learning Resources
- r/ChineseLanguage
Chinese Learning Community / Discord
- Zhongwen
Learn via Classic Chinese Literature
- Train Chinese
Chinese Learning Apps
- KongLongMandarin
Chinese Lessons
- Stroke Order
Chinese Writing Lessons / Stroke Orders
- LexList
Learn Chinese Characters
- Dictionary Variants
Dictionary of Chinese Character Variants
- HackingChinese
Chinese Learning Articles
- Cantonese.ca
Chinese Vocabulary
- Lindict
Chinese Dictionaries
- Maorma
Chinese Tone Practice
- The Chairman's Bao
Chinese Reading Practice / News Articles
- Pleco
Chinese Flashcards / Dictionary
- Chinese Flashcards
Chinese Flashcards
Cantonese
- Cantonese Sheik
Cantonese Learning Resources
- Live Lingua Cantonese
Free Cantonese Courses
- A Brief Cantonese Manual
Cantonese Beginners Manual
- EdUHK
Cantonese Learning / Practice
- Beginner's Cantonese
Cantonese Grammar Lesson
- CantoWords
Cantonese Dictionary
- HKDict
Contemporary Cantonese-English Dictionary
- OnlineCantonese
Cantonese Tone Practice
- Jyutping
Learn Cantonese Romanization System
European
- French Comprehensible Input
French Comprehensible Input Resources
- Thesaurus Autumnalis
Latin Learning Resources
- StudySpanish
Learn Spanish
- SpanishDict
Spanish Translation Dictionaries
- SpanishChecker
Spanish Grammar Check
- FluentWithStories
Learn Spanish via Stories
- The French Tutorial
French Learning Tutorials
- TV5MONDE
French Learning Videos
- LCSpeakFrench
Live French Lessons
- Uusi Kielemme
Finnish Learning
- Finnish Flashcards
Finnish Flashcards / Resources
- The People's Dictionary
Swedish Translation Dictionary
- Easy Croatian
Croatian Language Learning
- OpaLingo
Macedonian Learning Site
- Icelandic Online
Icelandic Learning Courses
- Latin & Ancient Greek
Latin & Ancient Greek Learning Community / Discord
- EIEOL
Early Indo-European Language Lessons & Lexicon
German
- German Learning Roadmap
German Language Resources
- German Discord
German Learning Community
- DW German Course
German Learning Course
- VHS Lernportal
German Learning Course / Mobile
- Seedlang
German Learning App
- Linguee
German Translation Dictionaries
- VerbForm
Create German Verb Anki Flashcards
South Asian
- Urdu Resources
Urdu Learning Resources
- Mga Nagmamarunong's Masterlist
Tagalog Learning Resources
- Learn Sanskrit
Sanskrit Lessons and Tools
- Rekhta Dictionary
Urdu Dictionary
- South Asian Languages
South Asian Language Learning
- Urdupod101
Urdu Grammar Overview / Video
- Speak Pashto
Pakistani Pukhto Learning Guide
- Sanskrit Subreddit
Sanskrit Resources / Discussion
- Ambuda
Sanskrit Dictionaries / Texts
Sign Languages
- SpreadTheSign
Multi-Language Dictionaries
- ASL Dictionary
American Sign Language Dictionaries
- BSL Dictionary
British Sign Language Dictionaries
- SignWiki
Sign Language Wiki Index / Multi Language
- Text to Sign
Convert Text to Fingerspelling in ASL or BSL
- Rochester ASL / LSF
ASL / LSF / Click Dictionary
- SignLex
Interactive Sign Dictionary / Learning
- Helping Hands
VR-Based Sign Language Practice / Classes / Discord
- Signbank
Australian Sign Language Dictionary
- NZSL
New Zealand Sign Language Dictionary
- SSC
BSL Academic Term Dictionary
- BKS
British Key Word Signs
- International Sign
International Sign Language
- DeafTec
STEM Sign Dictionaries / Search
- Interpreter Services
Specialized ASL Dictionary
- ASL Learning
ASL Learning Sites
- Sign AIP
Sign-Language Learning Videos
- Fingerspell
ASL Fingerspelling Practice
- The ASL Calendar
ASL Learning Discord Communities / Resources
- SooSL
Create Custom Sign Language Dictionaries
- ASL-LEX
ASL Visual Connections Map / Visualization
- DeafVideo
ASL Vlogs + Videos / YouTube Style Site for Deaf Content
- Iltyem-iltyem
Australian Indigenous Sign Language Learning
- Learn NZSL
NZSL Learning Site
- RealSASL
South African Sign Language Dictionary
- HandyBSL
Learn / Practice BSL
- SignLearner
Learn ASL or BSL while Browsing Internet / Chromium
- Signs
ASL Learning AI
- SignWriting
Sutton SignWriting System Learning + Resources
- DPAN
Deaf Entertainment / News
- DMDb
Deaf Movie Databases / Sign Language Films / Deaf Actors
Constructed Languages
- Links from Esperanto
Esperanto Learning Sites Index
- pona.la
Toki Pona Learning / Resources
- Lojban.io
Lojban Learning Resources / Focused on Logical Grammatical Structures
- Languages of Arda
Guide to Tolkien Languages
- Esperanto12
Esperanto Learning
- Toki Pona (.net)
Toki Pona Learning Sites / Minimal Language
- ma pona pi toki pona
Toki Pona Community / Learning / Resources
- sona pona
Toki Pona Wiki / Minimal Language
- Toki Pona Dictionary
Toki Pona Dictionaries
- Semantic Spaces Dictionary
Toki Pona Word Explanations / Dictionary
- lipu tenpo
Toki Pona Magazine
- Ithkuil by Example
Ithkuil Learning
- Ithkuil
Ithkuil Learning / Focused on Logical Precision
- The Toaq Language
Toaq Learning Wiki / Course / Focused on Formal Logic / Discord
- Viossa Diskordserver
Viossa Language Learning Community / Artificial Pidgin Language
- Eberban
Eberban Language Learning / Focused on Simplicity, Expressiveness & Regularity
- Xextan
Xextan Language Learning / Focused on Simplicity + Ease of Learning / Wiki / Discord
- Learn Na'vi
Na’vi (Avatar) Language Learning / Community / Forum / Discord
Developer Learning
- Project Based Learning
Project Based Learning Resources
- Awesome Certificates
Dev Course Indexes
- Awesome YouTubers
YouTube Dev Channels Indexes
- r/LearnProgramming Wiki
Programming Learning Resources
- Roadmap
Developer Roadmaps / GitHub
- Path to Senior Engineer
Software Engineer Resources
- freeCodeCamp
Programming / Courses / Interactive
- git-cheat-sheet
Git Command Lists
- OpenVim
Interactive Vim Tutorials
- Build your own X
Advanced Coding Tutorials / Discord
- StarSQL
SQL Lessons / Practice
- Programiz
General Coding Tutorials
- Guru99
Software / Web Development
- Codelabs
Project Based Tutorials
- The SHA-256 Project
Learn to Develop SHA-256
- calmcode
Video Tutorials
- zetcode
Programming Notes / Ebooks
- Ebook Foundation
Programming Ebooks
- First Timers Only
Contribution Guide for Beginners
- Beej's Guide to Git
Git Guides / Tips
- Oh My Git!
Git Learning Game
- Git Tutorial
Interactive Git Tutorial
- Learn Git Branching
Interactive Git Branching Guide
- Git Time
Git Learning Game
- Hack Club
Non-Profit High School Coding Community / Resources / GitHub
- DevToolTips
Developer Tips
- Checki0
Code Learning Games
- Scrimba
Interactive Programming Learning
- CloudSkillsBoost
Programming Courses
- MOOC.fi
Programming Courses
- EggHead
Programming Courses
- TechSchool
Programming Courses / Discord
- Josh Comeau
Programming Tutorials
- Scratch
Beginner Programming Learning
- USACO Guide
Competitive Programming Lessons
- Beej's Guides
Programming Guides
- CodinGame
Games to Practice Coding / Programming
- Advent of Code
Programming Puzzles
- Interview University
Software Engineer Study Guides
- System Design 101
System Design Guides
Programming Languages
- Python Discord
Python Learning Resources
- 30 Days Of Python
Python Programming Challenge
- Hitchhiker's Guide to Python
Python Guide / GitHub
- Typing.io
Programming Typing Practice / Sign-Up
- A Byte of Python
Python Guide
- Learn Python
Interactive Python Guide
- FutureCoder
Interactive Python Guide
- Genepy
Interactive Python Guide
- Learn-Python
Python Playground / Cheatsheet
- CS50
Python Course
- Tea Press
Python Learning Book
- Learn C
C Tutorials
- C++ Core Guidelines
C++ Tips
- Learn C++
C++ Lessons / Tutorials
- Makefile Tutorial
Makefile Tutorial
- AmigosCode
Java / Kotlin Guides
- Learn Next.js
Next.js Learning Resources
- LearnGo
Learn Go Programming
- Rust Learning
Rust Learning Resources
- Poignant
Learn Ruby
- Learn Perl
Learn Perl
Web Development
- MDN
Web Dev Learning Resources
- Odin Project
Programming / Courses / Interactive / Discord
- FullStackOpen
Full Stack Course / Discord
- LandChad
Site Development Guides
- PHP: The Right Way
Learn PHP
- JavaScript.info
JavaScript Learning Sites
- Cloud Cost Handbook
Public Cloud Hosting Cost Guide / GitHub
- Web Dev for Beginners
Web Dev Course
- Packet.School
Interactive Networking Learning
- Awesome Network Analysis
Network Analysis Learning
- Aquent Gymnasium
Web Dev Tutorials
- Dash
Web Dev Courses
- Web Skills
Web Dev Guides
- Codevolution
Web Dev Video Lessons
- The Copenhagen Book
Web App Auth Guidelines
- DOM Events
Learn about DOM Events
- WebRTCForTheCurious
WebRTC Guide / GitHub
- backendlore
Backend Coding Guides
- backend-challenges
Backend Challenges for Practice
- Backend Cheats
Backend Cheatsheet / Guide
- STPG
Startpage Creation Guides / Discord
- Web Design in 4 Minutes
Interactive Web Design Tutorial
- WebGL and GLSL Workshop
Interactive WebGL / GLSL Tutorial
- HEAD
HTML head Element Guide
- 100DayCSS
CSS Challenges
- modern.css
Modern CSS Snippet Comparisons
- Codepip
CSS Learning Games
- Guess CSS
CSS Guessing Game
- Flexbox Froggy
CSS Flexbox Learning Games
- DefensiveCSS
CSS Tips
- LearnCSSGrid
CSS Grid Guides
- You Don't Know JS
JavaScript Learning Books
- JavaScript Questions
JavaScript Questions for Practice
- 33 JS Concepts
Useful JavaScript Concepts
- You-Dont-Need-jQuery
JavaScript Query Style Events Guide
- Untrusted
JavaScript Learning Game
- HTMLDog
HTML/CSS and JavaScript Tutorials
- Sindresorhus Guides
Linux Guides for Node.js Developers
- Pixactly
Test Pixel Dimension Orientation
Computer Science
- CompSciLib
Computer Science Tools
- TeachYourselfComputerScience
Computer Science Book Recommendations
- The Borr Project
Computer Science Roadmap
- CEMC
Computer Science Courses
- CS50
Harvard Computer Science Course / Subreddit / Telegram / Discord / GitHub
- NandGame
Computer Building Puzzle
- CraftingInterpreters
Scripting Language Implementation Book / GitHub
- CSRankings
Publication Activity of Computer Science Colleges per Topic
- CS1000
Computer Science / Software Engineering
- Tech Dev Guide
Computer Science Google Courses
- Big-O Cheatsheet
Computer Science Complexities Cheatsheet
- CSDIY
Computer Science Learning Guides
- ProfessorMesser
IT Courses
- Code.org
Computer Science Courses
- cs-video-courses
Computer Science Courses
- Modern Computer Science Curriculum
Computer Science Courses
- SEE
Computer Science Courses
- CollegeCompendium
Computer Science Courses
- Gwern.net
Gwern Branwen Essays (AI, Psychology, & Statistics)
- Runestone Interactive
Interactive Guides
- Computerphile
Computer Science YouTube Channels
- ApressOpen
Computer Science Books
- Papers We Love
Computer Science Research Papers
- System Design Academy
Large Scale System Design Learning
- CS Academy
Interactive Computer Science Lessons
- From Nand To Tetris
Computer Building Lesson
- Copetti
In-depth Console Architecture Analysis / GitHub
- Lean
Theorem Prover and Programming Language / Learning Games / Web / GitHub
- Rocq
Theorem Prover and Proof Assistant / GitHub
- HOL
Theorem Prover for Higher-Order Logic / GitHub
- Web Browser Engineering
Learn about Browser Engineering
- OSDev Wiki
Operating System Dev Wiki
- Wi is Fi
Wi-Fi Educational Guide
- CPU Land
What Happens when you run Programs
- Eylenburg
Hardware / Software Comparisons + History
Data Science
- Awesome Data Science
Data Science Resources
- Awesome Data Analysis
Data Analysis Resources
- Data Engineer Handbook
Data Engineer Resources
- OSSU Data Science
Data Science Roadmap / Discord
- Mage
Data Science Pipelines
- Deepnote
Data Science Notebook
- Visualization.info
Learn About Data Visualization
- 365Datascience
Data Science Courses
- Kaggle Learn
Data Science Learning
- Data Science Intro Guide
Data Science with Python Intro Guides
- Advanced R
R Guide / Solutions
- R Packages
R Packages Guide
- R for Data Science
R Data Science Guide
- ggplot2: Elegant Graphics for Data Analysis
ggplot2 Guide
- Scipy Lectures
Learn DataScience
- Data Engineering Zoomcamp
Data Engineering Course
- Data Engineering Practice Problems
Data Engineering Practice
- Zasper
Data Science IDE
Data Structures
- Leetcode
Coding Practice
- NeetCode
Coding Interview Practice
- Codility
Coding Practice
- ProjectLearn
Coding Practice
- LintCode
Coding Practice
- Coding Questions
Coding Interview Questions
- DevPost
Hackathon / Challenge Communities
- Rosetta Code
Coding Problems / Solutions
- Exercism
Programming Lessons
- Hello Algo
Data Structures and Algorithms Course
- Algorithms Books
MIT Algorithm Focused Books
- algorithms
Code Algorithms & Data Structures Tutorials
- JavaScript Algorithms
Algorithms and Data Structures in JavaScript
- VisuAlgo
Data Structure & Algorithm Visualizations
- Algorithm Visualizer
Visualize Code Algorithms
- CSES Problemset
Collection of Algorithmic Programming Problems
- Memory Spy
Learn how Bytes Represent Variables
UI / UX
- design.tips
Design Tips
- HackDesign
UI / Webdesign Courses
- Can't Unsee
UI Design Test
- UXTools
Learn UX Design
- SitePoint
UX Design Courses & Books
- delightful humane design
Humane Design Resources
- Laws of UX
Maxims / Principles for UI Designers
- Deceptive Patterns
Deceptive User Experience Examples
- UI Coach
UI Design Challenge Generator
- BFE.dev
Learn Frontend Development / Interactive
- FrontEndMentor
Frontend Design Challenges
- Frontend Learning Kit
Frontend Learning Index
- Frontend Bootcamp
Frontend Workshop
Cybersecurity
- Free Cyber Resources
Cybersecurity Learning Resources
- Awesome Infosec
Infosec Learning Resources
- CTF Sites
CTF Resources / Guides
- Awesome Sites to Test On
Cybersecurity Practice Sites
- HackTricks
Practical Penetration Testing & Security Auditing Tips
- PortSwigger Academy
Web Security Learning
- OWASP Cheatsheet
Application Security Guide
- Hackers101
Cybersecurity Challenges
- Skills for All
Cybersecurity Courses
- Cybersecurity Mastery Roadmap
Cybersecurity Learning Roadmap
- TryHackMe
Cybersecurity Lessons / Learning
- Addielamarr
Learn About Cybersecurity
- Cyber Intel Handbook
OSINT & Threat Intelligence Guide
- pwn.college
Cybersecurity Practice
- WeChall
Cybersecurity Practice Games + Rankings
- BreachLab
Learn Offensive Security
- OverTheWire
Cybersecurity Learning Game
- Hacksplaining
Developer Security Lessons
- Software Sandboxing
Software Sandboxing Guide
- x86re
Reverse Engineering Guides
- CrackMyApp
Reverse Engineering Challenges
- Reverse Engineering Academy
Interactive Reverse Engineering Lessons
- Nightmare
Binary Exploitation Defense / Reverse Engineering Course
- John Hammond
Cybersecurity YouTube Tutorials
- Pentesting Bible
Learn Pentesting
- How DNS Works
Learn DNS
- How DNSSEC Works
Learn DNSSEC
- CryptoPals
Cryptography Learning
- CrypTool
Interactive Cryptology Learning / Puzzles
- How HTTPS Works
Learn HTTPS
Game Development
- Awesome-Gamedev
Learning Resources
- Brackeys
Game Dev Tutorials
- r/gamedev
Reddit Community / Discord
- 20 Games Challenge
Beginner Game Dev Challenges
- CodeWisp
Interactive Beginner Game Dev Learning
- Amit’s Game Programming
Game Programming Guide
- PICO-8
Basic Game Dev Concepts / Web Version
- From Zero To Hero
2D Game Dev Book
- Web Game Dev
Game Dev Guides / Discord
- SebastianLague
Game Dev Tutorials
- Vulkan Guide
Vulkan Learning Guide
- Level Design Book
Level Design Guide / Book
- Trig for Games
Trigonometry Lessons for Games
- Shadertoy
Real-Time Shader Dev Platform
- Game Math
Mathematics Lessons for Game Devs
- The Book of Shaders
Fragment Shaders Guide
- EmuDev
Emulator Development Information / Discord
- EmuDevs
NES Emulator Development Learning Game
- QB64SourceCode
QB64 Game Programming Tutorials
- 8bitWorkshop
Retro Game Programming Tutorials
AI / ML Learning
- Everything AI/ML
LLM Learning Resources / GitHub
- Awesome Free AI Books
Machine Learning Books / Guides
- LLM Course
Machine Learning Courses
- Deep Learning Drizzle
Machine Learning Courses on YouTube
- Machine Learning Roadmap
Machine Learning Roadmap / Guide
- ML For Beginners
Machine Learning Beginner Lessons
- aman.ai
Artificial Intelligence / Deep Learning Stanford Notes
- Awesome Generative AI Guide
LLM Research Resources / Guide
- LLM Visualization
Transformer and LLM Visualizations
- ML Visualized
Machine Learning Visualizations / GitHub
- Deep ML
Solve Machine Learning Problems
- Wolfram Cloud
Computational Intelligence
Exam Prep
- IBResources
International Baccalaureate Resources
- AP FRQ Archive
Practice AP Exams
- FreeOnlineTest
Exam Practice Tests
- IndiaBIX
Aptitude Tests
- Science Career General
PhD / STEM Career Study Guides
- DoubtNut
Exam / Solutions / Help / Ad-Bypass
- Papers.Xtreme
Test Revision Notes & Answers
- AllFreeDumps
Exam Papers / Study
- Mojza
Exam Study Notes
- Get Sum Math
GED Prep / Practice
- CaieFinder
Previous Cambridge Test Answers
- ITExams
IT Exam Collection
- Pearson's AP Universe
AP Exam Guides / Community / Discord
- r/APStudents Course Survey
AP Exam Comparison Spreadsheet
- r/CATpreparation
CAT Test Prep / Discord
- Revisely
GCSE Exam Help
- free-clep-prep
Free CLEP / DSST Exam Prep
- nzqa.toasting
Download NZQA Past Papers
- CatchaScience
IGCSE Study Notes / Resources
- IGCSE Papers
Download Past GCSE / IGCSE Papers
- ISC.exe
Indian School Certificate Examinations (ISC) Resources / Study Material
- Holy Grail
Singaporean Exam Study Notes / Papers
- anthropology
UPSC Telegram Channel
SAT Testing
- Digital SAT Resources
SAT Resources
- SAT Slayer
SAT Practice Exams / Questions
- Mcelroy Tutoring
SAT Practice Exams / Questions
- Sat DB
SAT Practice Exams / Questions / Requires Sign-Up
- DSATuz
SAT Practice Exams / Questions / Telegram
- The SAT: Practice Tests
SAT Practice Exams / Questions
- 1600.lol
SAT Practice Exams / Questions
- Bluebooky
SAT Practice Exams / Questions / Signup Required
- SATArchive
Previous SAT Test Archive
- SAT Reading
Suggested SAT Reading
JEE / NEET
- r/JEENEETards Index
Guides / Study Material
- PhysicsWallah
JEE Lessons / YouTube
- PirateHive
Guides / Study Material
- ExamSide
PYQ Solutions
- JEE Hub
JEE / NEET PYQs
- JEE Books
JEE Books Archives
- Genetry
JEE Lectures
- YouTube Lengths
Lecture Lengths / Data
- MarksAPP
Guides / Study Material / Telegram
Educational Tools
- nanoHUB
Nanotechnology Tools
- FreeForStudent
Free Student Deals / Discounts
- Temp .edu Mail
Temp .edu Email Addresses
- Edu VPN
Institute Access VPN
- BachelorStudies
Bachelor Degree Search
- Niche
University / School Comparisons
- RateMyDorm
College Dorm Reviews
- RateMyProfessor
Professor Ratings
- ExpertFile
Industry / Academic Expert Search
- Scholarship Roar
Scholarship Database
- Extracurriculars.org
Extracurricular Search
- Wordwall
Lesson Creator
- Internet-In-A-Box
Create Free Offline Learning Hotspots / GitHub
- MassiveMark
Convert LLM Chats to DOCX / Discord
Study Tools
- StudyLion
Study Tracker / Productivity Discord Bot / GitHub
- StudyKit
Quizzes / Study Material
- OpenSyllabus
Syllabus Search / Info
- Coursicle
Class Schedule Tracker / Android, iOS
- Helium
Class Schedule Tracker / Grade Tracker / Planner / Android, iOS, Web / GitHub
- Driftly
Class Attendance Tracker / Android
- Graded
Grades Tracker / Android, iOS
- GradesCalculator
Calculate CGPA & GPA
- StudyKit
Online Study Tools
- MammothMemory
Visual Memory-Based Solutions
- Cheatography
Educational Cheat Sheets
- GradesFixer
Essay Samples
- LearnedEasy
Create Summaries / Quizzes from Books
- Free Numerade Videos
Homework Help Videos
- Brainly
Homework Help Bots / Communities / Limit Bypass
- StudyStream
Online Study Groups
- Study Together
Study / Productivity Focused Server
- Studyn
Discord Bot w/ Study Tracking, Stats, Anki Integration and more
- Space Finder
UK Study Space Search
- Modern Classroom
Google Classroom Enhancement Extension
- Better Canvas
Canvas Enhancement Extension
Research Tools
- Awesome Research
Research Tool Indexes
- Refseek
Academic Search Engines
- Paper Trails
Academic Article / Paper Trackers
- Lurnby
Research Highlighting Tool / GitHub
- Co-STORM
Generate Scientific Articles
- OpenRefine
Data Cleaning
- ImageJ
Scientific Image Analyzers
- Foam
Knowledge Management System
- Zotero
Research Assistant
- Scrible
Research / Writing Platform
- CATMA
Research Markup & Analysis Tool
- GROBID
Extract / Organize Scientific Document Info
- General Index
Article Metadata Mining Project
- Papertag
Attach Digital Content to Paper
- Taguette
Data Analysis Document Tagging
- Inciteful
Find Connected Literature via Citations
- Publish or Perish
Citation Analyzer
- MyBib
Citation Generators / Chrome
- PlagiarismDetector
Plagiarism Checkers
Flashcards
- Anki
Flashcard App / Subreddit / Discord / GitHub
- Anki Android
Anki Mobile Apps / Discord
- StudyCraft
Flashcard App / GitHub
- StudyLib
Online Flashcards
- Flippity
Online Flashcards
- revisiondojo
Online Flashcards
- Flashka
Online Flashcards
- NoteKnight
Online Flashcards
- RemNote
Flashcard App
- Flashcard Machine
Flashcard App
- Gizmo
Flashcard App
- SearchifyX
Search Flashcards
Calculators
- WolframAlpha
Calculators
- Omni Calculator
Calculators
- OpenCalc
Android Calculators
- GeoGebra
Graphing Calculators
- Rink
Unit Converters / Calculators
- CEmu
TI-84 Calculators
- numbr.dev
Calculators
- Aqua Calc
Calculators
- PlanetCalc
Calculators
- vCalc
Calculators
- MatrixCalc
Matrix Calculator
- Qalculate
Desktop Calculator
- QwikTape
Note Style Calculator
- Kalker
Scientific Calculators
- TICalc
TI Graphing Calculator Files
- arTIfiCE
TI CE Calculator Jailbreak
- Numla
Live Calculative Notepads
- CalcPlex
Graphing Calculator Guides
Dictionaries / Thesaurus
- OneLook
Multi-Source Dictionary / Thesaurus Search
- Wiktionary
Multi-Language Dictionary / Thesaurus / Etymology
- Merriam-Webster
Dictionary / Thesaurus / Etymology
- GoldenDict
Dictionary / Windows, macOS, Linux
- NGrams
Word Usage Trackers
- The Piracy Glossary
Piracy Dictionary
- UrbanDictionary
Slang Word / Phrase Dictionaries
- Lexicoff
Offline Dictionary
- Wordnik
Dictionary
- Oxford English Dictionary
Dictionary / Bypass
- Cambridge Dictionary
Dictionary
- Ozdic
Multi-Dictionary / Thesaurus
- Collins Dictionary
Dictionary / Thesaurus
- PowerThesaurus
Thesaurus
- Moby Thesaurus
Thesaurus
- Historical Thesaurus of English
Historical Thesaurus
- Congeegator
Verb Conjugators
- Phrases.org
Phrase Dictionary
- Time Traveler
Find Words First Printed Usage
- EtymOnline
Etymologies
- StarlingDB
Advanced Linguistics Dictionary
- Phrontistery
Obscure Word Dictionary
- Lexipedia
Word Connections / Visualizers
- Eunoia
Words with No Translation
- Affixes.org
Affixes
- Fraze.it
Sentence Search
- Feeels
Emotion Synonym Chart
- TheDevilsDictionary
Cynical Dictionary
- WordSafety
Swear Word Indexes
- PyGlossary
Convert Dictionary Files
Encyclopedias
- List of Encyclopedias
Online Encyclopedia Index
- Wikipedia
Encyclopedia / Content List
- Omniglot
Writing Systems & Languages Encyclopedia
- Simple Wiki
Simplified Wikipedia
- namuwiki
Korean Encyclopedia
Wikipedia Tools
- Wiki Portals
Wiki Portals Navigation
- HatNote
Top Pages
- Reversepedia
Page Connections Search
- Wikigraph
Page Connections Visualizer
- wik
Wiki TUI
- CDPedia
Offline View
- Substance
Extract Markdown
- UrlShortener
Shorten URLs
- WikiNearby
Location Search
- Cite Unseen
Adds Reliability Symbols to Sources / Account Required
- EntiTree
WikiData Visualization Tool / GitHub
- Wiki Timeline
Create Timelines from Wiki Articles