Table of Contents - For mobile users
- ⭐ DocumentaryArea
- ⭐ 1337x Documentaries
- LearnOutLoud
- Top Documentary Films
- Documentary Streaming
- Media Burn Archive
- DocumentaryHeaven
- ARTE
- Documentary Network
- Documentary Mania
- Documentary Storm
- Documentary Tube
- Rocumentaries
- WatchDocumentaries
- Cinetimes
- ThoughtMaybe
- PBS
- Folkstreams
- Films For Action
- /r/Documentaries
- Smithsonian Channel - Each Series' First Episode is Free
- Docuwiki - Emule required
- Open-Video
- Nebula's Essence - Nebula / Curiosity Documentaries / Divolt / Discord
- Videoneat
- MVGroup
- 🌐 Awesome Courses - Courses
- 🌐 Limnology - Educational YouTube Channels
- ↪️ Udemy Coupons
- ⭐ Coursera - Courses / Financial Aid / Download, 2
- ⭐ edX - Courses / Downloader
- ⭐ Future Learn - Courses
- ⭐ Udacity - Courses
- ⭐ MitOpenCourseWare - Courses
- ⭐ Khan Academy - Courses / Downloader
- ⭐ Git.ir - Courses
- ⭐ PluralSight - Free for 1 Month
- ⭐ O'Reilly - Tech / Programming / Infinite trial by clearing cookies & making new account
- OpenLearn - Courses
- Alison - Courses
- moo - Courses
- EbookFoundation Courses - Courses
- OpenCulture - Courses
- DigitalGarage - Courses
- Lagunita - Courses
- Hillsdale College - Courses
- SelfSchool - Courses
- Cursa - Courses
- NPTEL - Courses
- Real.Discount - Courses
- Kadenze - Courses
- OnlineTutorials - Courses
- CourseSity - Courses
- Academic Earth - Courses
- Yale.edu - Courses
- My Great Learning - Courses
- Stepik - Courses
- Canvas - Courses
- CourseF - Courses
- Study is wonderful - Courses
- Open HPI - Courses
- Free MOOCs - Courses
- CourseBuffet - Search Engine
- LearnOutLoud - Documentaries / Courses
- Class Central - Search for Courses
- cs1000 - CS / Software Engineering
- media.ccc.de or SlidePlayer - Educational Presentations
- UC Berkeley Webcast Project - Archive or lbry
- iTunes U - Lectures
- Video Lectures - Lectures
- Ted Talks - Inspiring and Educational Talks
- WatchKnowLearn - Educational Videos
- FreeMedTube - Medical Courses
- Mathispower4u, SchoolYourself, mathhelp, MathPortal, mathonline or CoolMath - Math Lessons / Practice
- Professor Leonard or MisterWootube - YouTube Math Lessons
- NYU-DLSP21 - Deep Learning Course
- BillNye - Bill Nye Science Videos
- pad.ma - Text-annotated Videos
- Code.org - Computer Science Courses
- How to Become a Computer Science Engineer - Computer Science Courses
- Open Source CS Degree - Computer Science Courses
- cs-video-courses - Computer Science Courses
- Open Source Society University - Computer Science Courses / GitHub / Discord
- Modern Computer Science Curriculum - Computer Science Courses
- Learn Computer Science in 1k Videos - Computer Science Courses
- CS50 - Harvard Computer Science Course
- CollegeComendium - Computer Science Courses
- Computerphile, CSDojo or t v nagaraju Technical - Computer Science YouTube Channels
- CSDIY - Computer Science Learning Guide
- Bioinformatics - Bioinformatics Courses
- sha256_project - Applied Cryptography Course
- Sapience Institute - Religious Courses
- UdemyFreeCourses - Udemy Courses
- Study Bullet - Udemy Courses / Telegram
- TutsNode - Udemy Courses
- /r/udemyfreebies - Udemy Courses
- Automatic-Udemy-Course-Enroller, Discounted-Udemy-Course-Enroller or UdemyEnrollEverywhere - Auto Udemy Course Enrollment
- Online Courses Tracker - Udemy Courses
- SmartyBro - Udemy Courses
- Techlinks - Udemy Courses
- course_drive - Udemy Courses / Telegram
- freecourseweb - Udemy Courses / Telegram
- udemyforu - Udemy Courses / Telegram
- CGPERS - Udemy Courses / Telegram
- UdemyBot, UdemyScrapperZBot or UdemyPy - Udemy Course Bots
- GUdemyBot - Udemy Coupon Bot
- CommSpeeches - Famous Graduation Speeches
- Note - Use redirect bypassers to skip annoying link shorteners.
- ↪️ Course Megadrives
- ⭐ TutFlix - Courses / Drives
- ⭐ OneHack - Courses
- ⭐ HackNation - Courses
- Course Download CSE - Multi-Site Course Search
- Reks Drive - Courses
- CourseDL - Courses
- OpenDirectory - Courses
- Revival - Courses
- HMDRIVE - Courses
- Iit jee lectures, Codex, Rankers or Genetry - JEE Lectures
- CoursesDaddy - Courses
- Super Huge Course Collection - Courses
- online-courses - Courses
- Coursesghar - Courses
- FreeEducationWeb - Courses
- FreeCourseDL - Courses
- TutsNode - Courses
- Google Drive Links - Courses
- CryptoTips - Courses
- FCS - Courses
- 5G GYAN - Courses
- GameOfCourses - Courses
- WSODownloads - Courses
- tut4dl - Courses
- technet24 - Courses
- coursedown - Courses
- course-collections - Courses
- Free Udacity Skillshare Coursera EDX
- AfraTafreeh - Courses
- Free-Courses-For-Everyone - Courses
- Open-Video - Courses / Documentaries
- CourseInDrive - Courses / Telegram
- Udemy_Courses_Free_Daily - Courses / Telegram
- learningDL - Courses / Leech required
- FreeTutsDownload.net - Courses / Tutorials
- Udemy Course Megadrives
- UdemyKing - Udemy Courses
- CourseArray - Udemy Courses
- Downloadr - Udacity & Udemy Courses
- Giga Course - Udemy Courses
- Udemy 24 - Udemy Courses
- FreeCourseWeb - Udemy Courses
- Download Online Tutorials Free - Udemy Courses
- udemy-downloader - Udemy Downloader
- Udemy Download Guide - Discord
- Linkedin_Learning - Linkedin Courses
- Linkedin Learning Ripper - Linkedin Course Ripper
- CertCommunity - IT Cert Courses
- Top Linux Interview Questions & Answers - Linux Interview Q&A
- Coursera-dl - Download videos from Coursera
- avdshare - Download videos from Udemy
- Udemy Paid Courses Grabber - Udemy Course Grabber
- UdemyCourseGrabber - Find Udemy Course Download Links
- Udacimak - Udacity Nanodegree / Course Downloader
- firerip - Fireship.io Course Grabber / Script
- Note - Remember to get a VPN before torrenting
- Course Torrent / DDL CSE - Multi-Site Course Search
- Course Club - Courses
- FreeCourseSite - Courses
- DownloadFreeCourse - Courses
- FreeCoursesOnline - Courses
- Docspedia - Courses / Signup Required
- Paid Courses for Free - Udemy Courses
- Online Free Course - Udemy Courses
- Giga Course - Udemy Courses
► Reading
- 🌐 The Free Learning List, LearnAwesome, Learn Anything, Learning Lab, Quester, Learney or /sci/ guide - Learning Resources
- 🌐 Untools - Better Thinking Tools
- 🌐 Awesome Educational Games - Educational Games Index
- ↪️ Typing Tests / Games
- ⭐ PhET, Oak National Academy, Academo or Runestone Interactive - Interactive Lessons
- ⭐ /r/coolguides, info.stylee32 or coolguid.es - Guides & Tutorials
- ⭐ /r/educationalgifs - Learn With GIFs
- ⭐ /r/explainlikeimfive - Have Anything Explained Very Simply
- ⭐ Spreeder - Learn to Read Faster
- ⭐ The Punctuation Guide - Punctuation Guide
- ⭐ vads, Paintings Index, rijksstudio, Artcyclopedia, The Wolfman Museum of Art, DarkClassics, Arts and Culture, European Art, WGA or WikiArt - Digital Art Collections
- Open Educational Resources - How to search for Open Educational Resources
- AnimaGraffs - Animated Infographs
- Eylenburg - Infographs, Maps & Papers
- Matthen - Math & Science Animations
- Information Is Beautiful - Data / Information / Infographics / Visualizations
- Lucid - Visual Learning Guides / iOS
- HowStuffWorks or CoolMindMaps - Learn How Things Work
- Explorabl.es, MinuteLabs, Wikiversity, Learnamic or TurtleDiary - Quizzes / Guides / Games
- SoftSchools or EnchantedLearning - Worksheets / Games / Quizzes
- BrainPOP Jr. - Quizzes / Animations
- Highbrow - Daily Lessons
- masterWiki - MasterClass Classes Republished as wikiHow Articles
- Listenable - 5-Minute Audio Lessons / iOS
- WTF Fun Fact - Daily Facts
- Fact Check - Quick Fact Check
- Word Smith - Learn New Words Daily
- LabXchange or EduMedia - Interactive Science Simulations
- Answers.com or Quora / Bypass / Frontend - Q&A Communities
- Plickers - Q&A Results App
- AnswerSocrates - Most Asked Questions on Google
- Kialo or Level Point - Debates / Discussion
- Tabby Cat - Debate Tournament Tabulation Software
- LitCharts - Literature Guides
- TypeTerms - Typography Cheat Sheet
- Electromagnetic Radiation Spectrum Chart
- The Problem Site - Problems / Puzzles / Games
- PuzzlePrime - Problems / Puzzles
- Edu-Games - Educational Games
- 50Hacks - Productivity Tips
- Philosophy Bro or PhilosophyBasics - Learn about Philosophy
- Social Engineers - Social Engineering Guides
- Brainkit - Learn Helpful Principles
- RationalWiki - Pseudoscience Refutation Wiki
- YouLogicalFallacyIs, FallacyFiles or LogicalFallacies - Learn about Logical Fallacies
- Debunking Skeptics - Pseudo-Skeptical Fallacies
- YourBiasIs - Learn about Biases
- LessWrong - Develop Rationality / Frontend
- SkillsYouNeed or Art of Manliness - Develop Life Skills
- VisualizeValue - Life Lesson Visualizations
- Sketchplanations - Explanation Sketches
- A to Z Manners - Learn Manners / Etiquette
- WikEnigma - 'Known Unknowns' Wiki
- The Trolley Problem Game - The Trolley Problem
- GCFGlobal - Tech Tutorials
- CS 182 Deep learning - Deep Neural Network Lesson Slides
- AskNature - Natural Strategies / Solutions
- GeoNames - Geography Name Database
- LizardPoint, Worldle, GeoQuest or Map Quiz - Geography Quizzes
- Geo-Memorizer - Geography Memorization Game
- Micronations Wiki - Micronations Wiki
- Statele - State Quiz
- Geograph WorldWide - Worldwide Photographs
- Flag Guesser - Flag Quizzes
- Flagpedia or US Flags - Flag Indexes
- Flag Stories - Flag Design Breakdowns
- The True Size - Compare Country Size
- iCivics - U.S. Law Learning Games
- Dollar Street - Compare Homes by Country / Income
- Traffic Simulation - Traffic Flow Simulation
- Bridge Command - Bridge Command Ship Simulator
- Sectional Anatomy - Cross Sectional Educational MRI / CT Scans
- Ray Optics Simulation - Light Reflection / Refraction Simulator
- Lights and Shadows - Light and Shadow Lesson
- Interactive 4D Handbook - Interactive Fourth Dimension
- British & Exotic Mineralogy or Mindat - Mineralogy Database
- Camopedia - Camouflage Wiki
- AirVectors - Aircraft Wiki
- Robot Shop - Robotics Forum
- Cro-Wood - Woodworking Forum
- Alt Law Forum - Alternative Law Forum
- STORY - Screenwriting Principles
- Animated Knots or NetKnots - Learn to Tie Knots
- Ian's Shoelace Site - Learn to Tie Shoelaces
- Perry Morse, Morse Typing Trainer or ICWO - Learn / Practice Morse Code
- RSOE - Emergency and Disaster Information Service
- Awful-A.I. - Negative A.I. Usage Examples
- Symbols - Symbol Database
- Hate on Display - Hate Symbol Database
- P2PU - Join Learning Groups Using Free Courses
- 🌐 Awesome Math or Math Resources - Math Resources
- 🌐 Awesome Calculators - Calculator Index
- ⭐ Number Academy - Encyclopedia of Numbers
- ⭐ Microsoft Math Solver, SpeedCrunch or MathPapa - Advanced Calculator
- ⭐ Cymath, MathGPT, PhotoMath / iOS, Mathway, EverydayCalculation, Math Solver, Tiger Algebra or Symbolab - Math Problem Solvers
- ⭐ AoPS Alcumus - Interactive Math Site
- ⭐ Wolfram|Alpha - Calculator
- ⭐ Omni Calculator - Calculator
- CalculatorSoup - Calculator
- Number Empire - Calculator
- EasyCalculation - Calculator
- Calculator.net - Calculator
- KeepFormula - Calculator
- CalculatorHut - Calculator
- GigaCalculator - Calculator
- numbr.dev - Calculator
- Qalculate - Desktop Calculator
- QwikTape - Note Style Calculator
- FlowTeX - Convert Handwritten Math to LaTeX
- All-In-One Calculator - Multi-Calculator App / Android
- MatrixCalc or MatrixOP - Matrix Calculator
- Mathcha - Online Math Editor
- EquatIO - Math Equation Creator
- SequenceDB - Sequence Machine
- OEIS - Encyclopedia of Integer Sequences
- Giac/Xcas - Algebra System
- Algebra Rules - Learn Algebra Rules
- Weboasis Convert - Conversion Calculators
- PecentageTools - Percentage Calculators
- Matrix Multiplication - Matrix Multiplication Calculator
- CoolConversion, UnitConverters, Converter Pro, OneConvert, ConvertUnits or ConvertAll - Unit Converters
- Derivative Calculator - Derivative Calculator
- Integral Calculator - Integral Calculator
- Desmos - Graphing Calculator
- TicCalc - TI Graphing Calculator Files
- TI-Basic Developer - TI-Basic Info Repository
- insect - Scientific Calculator
- ISciDAVis - Scientific Data Plotter
- FreeFEM - Partial Differential Equations Solver
- Approach0 - Math Formula Search
- Online Math Tools - Multiple Math Tools
- 3b1b / 2 - Generate Explanatory Math Videos
- MathOnline or Mathigon - Math / Courses
- BetterExplained - Math Guides / Courses
- Math is Fun - Math Games
- Mathlets, GeoGebra or Mathspad - Interactive Math Sites
- Countle or Cut The Knot - Math Equations
- IXL Learning - Math Practice / Quizzes
- Math Exercises or MathBitsNotebook - Math Practice
- Pauls Online Math Notes - Math Practice / Guides
- ParkMath, FreeMathHelp or Math2.org - Math Guides
- Fourier Transform - Interactive Fourier Transform Guide
- Terence Tao Research - Mathematical Research
- Math is Fun - Math Tutorials / Puzzles / Games
- Brainstellar Puzzles - Puzzles From Quant Interviews
- Project Euler - Math / Programming Problems
- IMS - Introduction to Modern Statistics
- Seeing Theory or Stat Trek - Statistics & Probability Tutorials
- MathWords - Math Term Dictionary
- arTIfiCE - TI CE Calculator Jailbreak
- 🌐 Physics Saviary or Falstad - Physics Tools
- ↪️ Math and Physics Books
- ⭐ phys - Latest / News / Article / Physics
- ⭐ The Feynman Lectures - Physics Lectures
- ⭐ Physics Simulations, Mujoco, Physics Animations, oPhysics or MyPhysicsLab - Physics Simulations / Animations
- PhysicsClassroom - Physics Lessons
- PhysicsTravelGuide - Physics Explanations
- Physics and Maths Tutor - UK High School Notes & Papers
- Algodoo - Interactive Physics Tool
- QPaths - Learn Basic Quantum Terms
- quantum - Quantum Physics Learning App
- arXiv - Science / Math / Physics / Search
- Physics forums - Forum / Physics / Science Forum
- Physics Olympiads - Physics Discord Community
- Quantum Web Directory - Science / Tech / Math / Physics
- Compare Pendulum - Pendulum Simulator
- OpenFoam, PC Progress, Fluid Simulation WebGL, WebGL Fluid Experiment or Sim Flow - Fluid Dynamics Simulators
- SimScale or CFDTool - Fluid Dynamics & Heat Transfer
- Bouncy Balls or Balls Simulation - Ball Physics Simulator
- WebGL Water - Water Simulation
- LAMMPS - Molecular Dynamics (MD) Code
- avogadro or MolView - Molecular Viewers / Editors
- Simuwaerm - Heat Simulator
- 🌐 The Engineering Toolbox or EngineersEdge - Engineering Resources
- 🌐 Awesome Mecheng or design-data-list - Mechanical Engineering Resources
- ⭐ /r/AskEngineers - Engineering Q&A Sub / Library / Acronyms / FAQ / Work Tips
- ⭐ /m/engineering - Engineering Multireddit
- ⭐ /r/engineering or /r/AutomotiveEngineering - Engineering Subreddits
- fxSolver, Calculator++, Kalker / GitHub or Calculatoria - Engineering Calculators
- Sanfoundry - Engineering Questions & Answers
- CESDB - Civil Engineering Software
- How a Car Works - Car Mechanics / Automotive Engineering Guides
- HDLBits - Learn Circuit Design
- BatteryUniversity - Learn About Batteries
- EasyEDA - Electronic Circuit Design Tool
- FliteTest - DIY Drone Guides
- NandGame - Computer Building Puzzle
- From Nand To Tetris - Computer Building Lesson
- CPU Land - What Happens when you run Programs
- ⭐ Wikispecies, A-Z Animal or The Catalogue of Life - Species Directories
- ⭐ OneZoom - Tree of Life Explorer
- ⭐ Lost and Found Nature - Re-Discovered Animals / Plants
- Alien - Artificial Life Simulator / GitHub / Video
- Metazooa - Species Connection Game
- Ocearch - Track Marine Life
- The Deep Sea - Interactive Deep Sea Life Guide
- TheAquariumWiki - Aquarium Wiki
- Pattern Radio - Listen to Whale Songs
- EuroBirdPortal - European Bird Distribution Map
- BirdSounds - Thousands of Bird Sounds Visualized
- Macroinvertebrates - Freshwater Macroinvertebrates Atlas
- Life Under the Ice - View Antarctic Microbes
- Get Body Smart - Learn about Human Anatomy and Physiology
- NIH Print - Biomedical Science 3D Models
- Glass AI - Medical Diagnoses' Training AI
- Radiopaedia - Radiology Resources
- WhyDoCatsAndDogs...? - Pet Q&A Site
- Backyard Chickens - Chicken Raising Forum
- 🌐 Wolfram Alpha Chemistry - Chemistry Calculators / Tools
- ↪️ Periodic Table Of Elements / App
- ⭐ Lab Safety Guide / Intro
- ⭐ LibreTexts Chemistry - Chemistry Texts
- ⭐ Internet Chemistry - Search Index
- BiologyOnline - Biology Articles
- Chemistry Basics - Basics of General, Organic, and Biological Chemistry
- Tyler DeWitt, TheOrganicChemistryTutor, Allery Chemistry, Khan Academy AP Chemistry, Organic Chemistry etext, ChemistryScore, PeriodicVideos / Periodic Table Videos - Chemistry Lessons
- ChemicalAid - Chemistry Calculators / Element Tables
- PubChem, MOTM, NIST or EssentialChemicalIndustry - Chemistry Wikis
- ChemistrySteps or DocBrown - Chemistry Practice / Guides
- Cliffnotes Chemistry / Organic Chemistry I / Organic Chemistry II, Chem Wiki, chemhelper or chemguide - Study Guides
- ChemistryTalk - Tutorials / Experiments / Elements / Reference Articles
- Sciencenotes - Periodic Tables / Chemistry Projects and Questions
- Organic Chemistry - Organic Reactions
- CommonOrganicChemistry - Common Reactions / Common Reagents
- Synarchive Named Reactions - Database of Organic syntheses / Named Reactions
- name-reaction - List of Name Reactions
- ChemTube3D - Interactive 3D Chemistry Animations
- ChemSpider - Chemical Structures
- Merck Index - Online Merck Index
- Organic Chemistry Data - Organic Chemistry Data
- IGOC - Illustrated Glossary of Organic Chemistry
- Colorado Chemistry Simulations - Chemistry Animations
- Chemical Forums - Chemistry Forums
- Electronic Journals Library - University of Regensburg, abc-chemistry, arkat-usa - Journals
- Martindale's Virtual Chemistry Center - Calculators
- WebQC Balance Calculator - Chemical Equation Balance Calculator
- Chemexper Chemical Directory - Chemical Directory
- OrgSyn - Chemistry Prep Guides
- ↪️ History Books
- ↪️ Historical / Modern Maps - Map Resources
- ⭐ Historic Films or National Film Preservation Foundation - Historic Footage / Films
- ⭐ Histography or Oldest - History Timelines
- Smithsonian Institution Archives - Historical Photos / Documents
- Imperial War Museums - Historic War Footage
- NaturalHistory - Natural History Museum Virtual Tour
- Wonderous - Learn About Ancient Structures
- Persepolis Reimagined - Explore Persepolis Recreation
- Letters of Note - Historical Letters
- Shorpy or Old World - Historical Photos
- ManuscriptMiniatures - Medieval Manuscript Images
- Sciphilos - Historical Discovery Timeline
- Royal Armouries Collections - Ancient Armaments Museum
- NuclearWeaponArchive - Nuclear Weapons History
- 911 Realtime - 9/11 in Realtime
- The Food Timeline - Food History Timeline
- Historical Recipes - Historical Recipes Site Index
- Arachne - Ancient Sculpture Image Archive
- CARI - Design Aesthetics History
- BetaWiki - Operating System / Software History / Discord
- InfoMesh - Web History / Info
- VersionMuseum - Website History / Info
- Old Computer Museum - Computer History / Info
- The HP 9845 Project - HP 9845 Computer History
- Folklore or TheAppleWiki - Apple Computer History
- VGA Museum - Graphic Cards History / Info
- MobilePhoneMuseum - Mobile Phone History / Info
- House Creep - Homes With A Curious or Criminal History
- 🌐 Astronomy Resources - Astronomy Resources
- ↪️ Math and Physics Books
- ⭐ /r/Space - Space Subreddit
- ⭐ Space Dashboard - Space Live Stream Dashboard
- ⭐ EarthData - Daily Satellite Replays
- ⭐ NASA - National Aeronautics and Space Administration Website / Images / Audio / Documents
- ESA - European Space Agency Website
- Space.com - Space News
- NASA History - NASA History Books
- Planet Globe - Virtual Globes
- ISS Sim - ISS Docking Simulator
- HDEV Payload or ISS UStream - Live ISS Streams
- Transit Finder - ISS Transit Finder
- SpaceX Media 2015 / 2019 - SpaceX Media Archive
- Leolabs Space - Low Earth Orbit Simulator
- Gravity Points, Hermann or dmilin1 - Gravity Simulators
- GOES-16 Satellite Imagery, SpaceEye or Sentinel Hub - Satellite Imagery
- Open Access Hub - Copernicus Satellite Data Copernicus
- Satellite Map - Satellite Orbit Map
- Find Starlink or Look4Sat - Satellite Trackers
- Space Weather News or SpaceWeather - Space Weather Updates / Videos
- Andegraf Rockets - Rocket Diagrams
- nextrocket.space - List of Upcoming Rocket Launches
- openMotor - Internal Ballistics Simulator
- Interactive Apollo Missions or FirstMenOnTheMoon - Apollo in Realtime
- Moon.Nasa - Explore the Moon
- SunCalc, Subsolar Point, ShadeMap or MoonCalc - Sun / Moon Position
- Earth and Moon Viewer - Earth / Moon Latitude and Longitude Viewer
- SDO Dashboard - Live Sun Feed
- Earth and Sun - Interactive Day-Night Cycles Lesson
- CelesTrack - Earth Orbit Visualization
- Mars Now - Mars Exploration Program Simulator
- The Atlas of Moons - Interactive Index of Moons
- 1 Pixel moon, LightYear or OMG SPACE - Solar System Scale Model
- 3DSolarSystem, SpaceKit - Solar System Simulators
- Solar System - Learn about our Solar System
- The Planets - Learn About Planets
- ExoplanetExplore - Interactive Exoplanet Visualization
- Space Object Comparison - Compare Sizes Of Celestial Objects
- Sky-Map or Sky Map Online - Interactive Star Maps
- 100,000 Stars - Interactive 3D Star Visualization
- Aladin - Astronomical Image Viewer / Lite Version
- Siril - Astronomical Image Processor
- Stellarium-Web or Stellarium - Virtual Stellariums
- Google Sky - View Stars, The Moon & Mars
- WorldwideTelescope - Interactive Telescope Data
- Hubble Zoomable or ESO Zoomable - Zoomable Telescope Photos
- Webb Compare - Webb / Hubble Comparison Images
- Space Telescope Live - Live Hubble Image Data
- James Webb Space Telescope or ESAWebb - Webb Space Telescope Site
- HubbleSite - Hubble Telescope Site
- APOD - Daily NASA Astronomy Images
- Astrometry - View / Share Astronomy Images
- Live Meteors - Live Meteor Radio Echoes
- Clear Dark Sky - Star Gazing Weather Forecasts
- Dark Site Finder, DarkSkyMap or GoStarGazing - Star Gazing Site Locators
- DeepSkyCamera - Astrophotography App
- SpaceEngine - Universe Simulator
- The Scale of the Universe or Universe in a Nutshell - Universe Scale Simulators
- CDS - Astronomical Database
- The Universe Through Time - Universe Timeline
- 🌐 Awesome Music Theory - Music Theory Resources
- 🌐 Music Outfitters - Music Services / Information
- ↪️ Sheet Music Sites
- ⭐ Muted, Teoria, LightNote or Music Theory - Music Theory
- Helio or NoteHeads - Music Composition Tools
- MusicKit or Tone Generator - Metronome, Tuner & Tone Generators
- Tuner Ninja - Instrument Tuner
- Circle of Fifths - Visualize Notes, Cords & Keys
- ScoreCloud or Chordify - Chord Detection / Transcriber
- Arpeggiator or AutoChords - Chord Progression Generators
- HookTheory - Chord Progression Library
- Piano Scribe - Piano Transcriber
- Sound Slice or Nootka - Sheet Music Learning
- LilyPond - Music Engraving Program
- Learning Music or Musica - Music Making Lessons
- Piano Trainer or PianoCheetah - Piano Practice
- TrueToneGuitar, Songsterr, FAChords or ChordBook - Guitar Tools
- FretFlip or GuitarScale - Guitar Scales
- #fretflip - Create / Print Guitar Scales & Chord Charts
- JustinGuitar or Guitarsix - Guitar Lessons
- Ultimate Guitar - Guitar Tabs
- Chorder - C Major Guitar Chord
- Guitar Fretboard or Fretboard Fly - Virtual Fretboards
- Chordi - Chord Progression Generator
- coop3rdrumm3r or FreeDrumLessons - Drum Lessons
- 911tabs or Finger Tabs - Tabs
- Jazz Improvisor - Improvised Jazz
- LearningSynths - Synthesizers
- Sight Singing Factory - Sight Singing Practice
- Nutkus - Notation Learning Game
- [SwaraNotebook] (https://swaranotebook.com/) - Classical Indian Music Notation Generator
- A-Complete-UTAU-Tutorial-For-Beginners - UTAU Tutorial
- MusicStaff - Music Teacher Search
- Piascore - Music Score Viewer
- NoteFlight, MCMusicEditor, Flat, FinaleMusic, Score Perfect Professional, MuseScore, canorus, MusicWorks, Chordly, Notasi Angka or Trinket - Create / Share Music Scores
- Access Music - Create Music Scores for Blind Users
- The ABC Music Project - Plain Text Music Notation / Editor, 2, 3 / PNG Convert / MIDI Convert / Webpages
- Audiveris, Oemer / Colab, transcription, omnizart, AutoAudio, notetrainerpro or Soundslice - Transcribe Music Sheets / GitHub
- Partitura Magica or SheetMusicScanner - Display Scanned Music Sheets
- ChiffAndFipple - Irish Traditional Music Forum
- 🌐 Ctrl+paint - Digital Art Learning Resources
- 🌐 AwesomeAnimeResearch - Anime Machine Learning
- ⭐ Art Study Guide - Art Study Guides / Tips
- ⭐ Drawabox, Croquis Cafe, Drawing Starter Pack Playlist, FarsiTuts or Bill Martin's Guide to Drawing - Drawing Lessons
- ⭐ Proko - Humanoid Figure Drawing Lesson
- ⭐ PaintingTube, MarcoBucci, Alphonso Dunn, Feng Zhu FZD , Sycra, Art Fundamentals or Circle Line Art - Art Video Tutorials
- Curriculum for the Solo Artists - Self-Taught Artist Curriculum / PDF Version / Gallery Version
- TryDraw - Improve Drawing Skills
- DoArtDaily - Daily Art Challenges
- Character Design References - Character Design Visual Library
- FloobyNooby, Let's Learn Storyboarding, JMMStoryboardTips or A Guide to Storyboards - Storyboard Guides
- MangaMaterials, animesijyuku or DoKiDoKiDrawing - Manga Video Tutorials / Twitter / Pixiv
- anidraw - Anime Drawing Tutorials
- Settei Dreams - Anime Production Materials
- Anime Study General - Anime Production Community
- McLelun - Anime Style Background Tutorial
- PhotoshopTutorials.ws - Photoshop Tutorials
- DomDesigns - Illustrator Tutorials
- PhotoshopTraining, Phlearn or PiXimperfect - Photoshop YouTube Tutorials
- The Bézier Game - Pen Tool Practice
- ArtWithFlo - Procreate Tutorials
- Paintable - Digital Art Tutorials
- Pedro's Pixel Art Tutorials or SLYNYRD - Pixel Art Tutorials
- MetPublications - Art Learning Books
- Drawingbooks.org - Old Drawing Books
- Line of Action, Timed Figure Poses, LoveLifeDrawing or Daily Life Drawing Sessions - Figure Sketch Tools / Lessons
- Artist Reference - Photo References for Artists
- Thomas Romain Perspective - Perspective Guide
- The Dimensions Of Colour - Colour Theory Guide
- DevinKorwin Color Guide - Color in Paintings Guide
- Draw Mix Paint - Learn Oil Painting
- Painting Demos - Painting Demonstrations
- 🌐 Virtual Museum Resources - Online Museums
- ⭐ CityHop, Travel Remotely, Walk with Feel, Outside Simulator, Japan Walkaround, CityWalks, Explordle or Virtual Vacations - Travel Simulators
- Gez.la - Virtual Tours Map
- Wiki Spaces - Virtual Tours
- NaturalHistory - Natural History Museum Virtual Tour
- Digital Giza - Great Pyramid Virtual Tours
- Persepolis Reimagined - Explore Persepolis Recreation
- Spitfire Panorama - Spitfire Mark IX Cockpit Interactve Panorama
- Virtual Vist Tours - Ireland Virtual Tours
- Matterport - Explore Real Places Digitally
- Outside Simulator - Simulate Being Outside
- Hashima Island - Hashima Island Virtual Tour
- Zhijianshang - 360VR Images
- Smithsonian 3D - Smithsonian 3D Digitization Museum
- 🌐 Language Links or /r/LanguageLearning Resources - Language Learning Resources
- 🌐 Speechling - Language Learning Tools
- 🌐 LexiLogos - Multi-Language Dictionary Index
- ↪️ Language Learning Networks
- ↪️ Languages & Linguistics
- ↪️ Translation Tools
- ⭐ Language Transfer - Language Learning Lectures
- ⭐ Polyglotia or LearnLingo - Learn Languages via AI Conversation
- ⭐ Language Reactor - Learn Languages via Media
- ⭐ PolyReads - Learn Languages via Reading
- ⭐ Readlang - Learn a Language via Web Browsing
- WordReference, Glosbe or Reverso - Translation Dictionary
- ReverseDictionary or OneLook Reverse - Search for Words Using Their Meanings
- Languagelearning.site - Language Learning Torrents
- refold.la - Language Learning Roadmap
- Memrise, InternetPolyglot, LingoDeer or Busuu - Language Learning Lessons
- Duolingo - Language Learning Lessons / Guide, 2
- Language Drops - Language Learning App / Premium
- 10,000 Sentences - Language Learning App
- Yojik - Language Learning Courses
- Ba Ba Dum - Language Learning Game
- clozemaster - Context Based Language Learning
- Sounter, LingoClip or LyricFluent - Learn Languages via Music
- IPA Reader - International Phonetic Alphabet Reader
- youglish - YouTube Word Pronunciations
- Forvo or HowJSay - Pronunciation Dictionary
- Language Roadmap - Foreign Language Media Difficulty Guide
- WordReference, Glosbe or Reverso - Translation Dictionary
- Hey! Lingo or LearnWithOliver - Language Learning Flashcards
- MyLanguages - Grammar / Vocabulary Language Learning
- Vocatra - Vocabulary Trainer
- ListLang - Most Used Words in Any Language
- wehewehe - Hawaiian Dictionary
- Polyglot - Offline Language Exchange
- 🌐 Many Things - ESL Resources
- 🌐 ESOL - English Learning Resources
- The Internet TESL Journal - Resources for EFL and ESL Teachers
- EFSET - English Proficiency Test
- Learn English Online, ESLFast, AntiMoon, Oxford Online or Cambridge Online - English Lessons
- EnglishCentral or Voscreen - English Video Lessons
- elllo or Listening Lab - English Listening Lessons / Practice
- TalkEnglish or Stimuler IELTS Speaking Buddy - Improve Spoken English
- WriteAndImprove - Improve English Writing
- Elsaspeak - Practice English Conversations
- yell0wsuit - Oxford English Learning Tools
- Podcasts in English - English Learning Podcasts
- Langeek or Ozdic - Grammar / Vocabulary Language Learning
- Xuga - Word Pronunciation Tool
- EnglishAccentMap - English Accent Videos / Map
- EnglishBanana - English Learning Worksheets
- EnglishForums - English Learning Forums
- Free4Talk - English Learning Communities
- 🌐 GaijinRyman's Resources, Nihongo, Best Japanese Websites, Japanese Resources or AnimeCards - Japanese Learning Resources
- 🌐 Japanese Pitch Accent Resources - Japanese Accent Resources
- ⭐ TheMoeWay / Discord, Kakugo, Marshall's Site, HeyJapan, GuideToJapanese, jpdb, NativShark, Donkuri or Tofugu - Learn Japanese
- ⭐ Animelon - Learn Japanese with Anime
- Minato - Japanese Courses
- JapaneseTab - Japanese Learning Extension
- jidoujisho, LearnNatively or Manabi - Learn Japanese via Books
- HayaiLearn - Learn Japanese via YouTube
- Memento - Japanese Learning Video Player
- JapaneseWithAnime - Learn Japanese with Anime / Manga
- Daily leisurely Japanese teacher - Japanese Practice Material
- Learn Japanese Grammar - Basic Principles of Japanese Grammar
- Jotoba, Fujiten, core6000, Tagaini, Takoboto, Jisho, Massif, Shirabe Jisho, JapBase, Weblio, Goo Dictionary or rtk-search - Japanese Dictionaries / Phrases
- OJAD - Japanese Accent Dictionary
- ichi.moe - Japanese to English Phrase Translation
- Jlpt N3 or JapaneseTest4You - Jlpt Exam Questions / Grammar
- GetKanda, Nihonoari or RealKana - Learn Kana
- WaniKani, KanjiDamage / KanjiDamagePlus, Kanji-Dojo, Koohii / Deck, or Manji - Learn / Practice Kanji
- KanjiTomo - Kanji Character Identifier
- Nippon Colors - Traditional Japanese Color Meanings
- ⭐ Learn Korean - Korean Learning Discord
- Read Korean Letters - Learn Korean Characters
- KR Dict - Korean Learning Dictionary
- HowToStudyKorean - Korean Lessons / Practice
- OhMyKorean - Korean Practice
- iksi - Korean Classes
- TalkToMeInKorean - Korean Learning Courses
- Sogang or 90 Day Korean - Korean Learning Lessons
- Mirinae - Korean Word Breakdown
- UltimateKorean - Korean Grammar / Vocab Lessons
- KoreanKeyboardLearner - Korean Typing Practice
- Korean Trainer - Korean Numbers & Date Practice
- Hangul - Korean Typing Practice
- 🌐 YellowBridge or DigMandarin - Chinese Learning Tools
- 🌐 Cantonese sheik or SinoSplice - Chinese Learning Resources
- ↪️ Mandarin Chinese Books
- ⭐ /r/ChineseLanguage - Chinese Learning Community / Discord
- ⭐ Zhongwen - Learn via Classic Chinese Literature
- Train Chinese, ChineseSkill or HelloChinese - Chinese Learning App
- KongLongMandarin, DU Chinese or Dong Chinese - Chinese Lessons
- ArchChinese or Hanzi Grids - Chinese Writing Lessons
- HackingChinese - Chinese Learning Articles
- Cantonese.ca - Chinese Vocabulary
- MDBG - Chinese Dictionary
- Jukuu - Chinese to English Word Comparisons
- Maorma - Chinese Tone Practice
- TofuLearn - Chinese Vocabulary Practice
- The Chairman's Bao - Chinese Reading Practice / News Articles
- Pleco - Chinese Flashcards / Dictionary
- Chinese Flashcards - Chinese Flashcards
- ⭐ StudySpanish or LibreLingo - Learn Spanish
- SpanishDict - Spanish Translation Dictionary
- The French Tutorial - French Learning Tutorials
- LCSpeakFrench - Live French Lessons
- Seedlang - German Learning App
- Learn German - German Learning Videos
- Linguee or Dict.cc - German Translation Dictionary
- 🌐 Urdu Resource List or UrduNotes - Urdu Learning Resources
- 🌐 Learn Sanskrit or Sanskrit Studio - Sanskrit Lessons and Tools
- South Asian Languages - South Asian Language Learning
- Urdupod101 - Urdu Grammar Overview / Video
- UBC Sanskrit Learning Tools - UBC Sanskrit Lessons
- Sanskrit Subreddit / Resources - Sanskrit Resources / Discussion
- Ambuda - Sanskrit Dictionaries / Texts
- 🌐 ASL Resources - American Sign Language Resources
- ASL Dictionary, BSL Dictionary, SignSpaces or HandSpeak - Learn American Sign Language
- Learn BSL in SignWriting
- LingYourLanguage or Language Squad - Language Identification Test
- LocalLingual or DialectArchive - Listen to Accents
- Interactive IPA Chart - Learn Phonetic Alphabet Symbols
- Asian Script Differentiation Guide
- Omniglot - Writing System & Language Encyclopedia
- Plover - Stenography Engine / GitHub / Discord
- 🌐 NCES or MyAssignmentHelp - Educational Tools
- 🌐 CompSciLib - Computer Science Tools
- 🌐 nanoHUB - Nanotechnology Tools
- 🌐 5th STAAR Resource Curation - Grade School Tools
- 🌐 ScienceTrek - Teaching Resources
- ↪️ Presentation Tools
- ↪️ Data Visualization
- ↪️ Q&A Chatbots
- ↪️ Grammar / Spell Check
- ↪️ Text Rephrasing
- ⭐ OpenBoard / 2, Witeboard, NotebookCast, WebWhiteboard, OurBoard, Whiteboard.fi or Whiteboard Fox - Whiteboards
- ⭐ Refseek, Occamm or Merlot - Academic Search Engines
- Brevity500 - Writing Practice
- GradesFixer - Essay Samples
- Springer or Biomed Central - Scientific Publishers
- Zooniverse - Crowdsourced Research
- Citation Generator, mybib, citemaker, formatically, zbib, CitationMachine, CiteFast or Cite This For Me - Generate Citations / Chrome
- Publish or Perish - Citation Analyzer
- M-Journal - Turn Wikipedia into a Citeable Academic Paper
- cb2bib - Reference Extractor / Manager
- SciGen - CS Paper Generator
- pdfparanoia - Academic Paper Watermark Removal
- ImageJ or Fiji - Scientific Image Analyzers
- Altium - Schematics Visualizer
- Wolfram Cloud - Computational intelligence
- easymail, etempmail or 10MinMail - EDU Email Addresses
- Edu VPN - Institute Access VPN
- BachelorStudies - Bachelor Degree Search
- Niche, TheUniGuide, Alumnius or Top Universities - University / School Comparisons
- RateMyDorm or :) - College Dorm Reviews
- RateMyProfessor - Professor Ratings
- Socrative - Teaching App
- ClassroomScreen - Digital Teaching Widgets
- Wordwall - Lesson Creator
- The Chomsky Index - Noam Chomsky Content Index Tool
- 🌐 Awesome Research, Foam, KausalFlow, Zotero or Scrible - Research Tools
- ↪️ Note Taking Apps
- ⭐ Note Garden, 2 - Note Taking / Auto Courses
- ⭐ StudyLion - Study Tracker / Productivity Discord Bot
- ⭐ Coursicle - Class Schedule Tracker / Android
- ⭐ OpenSyllabus or LanguageDrops - Syllabus Search / Info
- ExpertFile or ExpertiseFinder - Industry / Academic Expert Search
- Studify - Study Tracker / Android
- Remind - Educational Communication / iOS
- Mochi Cards, Silicon or MidTerm - Note Taking / Study Tool
- Desklamp - Reading / Note Taking / Highlighting Tool / Guide
- Lurnby or StringMark - Save & Mark Research in Browser
- Catma - Research Markup & Analysis Tool
- Lyx, Typst / Discord, TeXStudio or Papeeria - LaTeX Editors / Guide
- latex_paper_writing_tips - Latex Research Paper Tips
- OpenPaper, papis, Paperless-ngx or DataShare - Document Managers
- Taguette - Data Analysis Document Tagging
- Bonsai - Research Web Browser
- Deepnote - Data Science Notebook
- Papertag - Attach Digital Content on Paper
- BookStack - Self-Hosted Information Manager
- General Index - Article Metadata Mining Project
- Graded - Grades Tracker / Android
- Quizlet / Paywall Bypass, Shmoop or SparkNotes - Quizzes / Study Material / Show Hidden / Explanations, 2
- Knowt - Free Quizlet Alternative / AP Study Guides
- Grades? or Study Space - Unlock Courses (Chegg, Bartleby, StuDocu etc.)
- guIHelp - Bartleby, Quizlet, Coursehero & Scribd Bot
- Quizizz - Create Quizzes, Lessons, Flashcards & Presentations
- Anki / CLI, Flashcards.io, Scholarcy Flashcards, StudyLib, FlashcardX or Flashcard Machine - Flash Card Tools
- FactMonster - Exercises / Flashcards
- Carden or Awesome Anki - Flashcard Extensions
- Wisdolia - Create Flashcards from YouTube, Webpages or PDFs
- SearchifyX - Search Flashcards
- ForgetMeNot - Flashcard Mobile App
- Edgibot, Tutorly, Caktus, Get Unstuck, sarthaks or Brainly - Homework Help Bots / Communities
- Toppr, FreeOnlineTest or AE Old - Test Practice & Homework Help
- StudyStream - Online Study Groups
- Stuack - Premium Study Notes
- Course-Notes - Course Notes
- Papers.Xtreme - Test Revision Notes & Answers
- The SAT: Practice Tests - SAT Practice Exams
- SAT Reading - Suggested SAT Reading
- SAT_Files_discussion - SAT Exam Discussion
- Examveda, SaveMyExams or Aglasem - Exam Practice
- MajorTests - Practice Tests
- CrackAP - Practice AP Exams
- AllFreeDumps - Exam Dumps
- IndiaBIX - Aptitude Tests
- /r/ApStudents Resources - Former AP Exams
- /r/APStudents Course Survey - AP Exam Comparison Spreadsheet
- /r/CATpreparation - CAT Test Prep / Discord
- Revisely - GCSE Exams
- Future Vision BIE - VTU Study Material
- CrackJee - JEE & NEET Study Material + Answers
- JEEBOOKS - JEE, NEET, KVPY & CBSE Study Material
- JeeMain - JEE Study Material
- CatchaScience - IGCSE Study Material
- IELTS69 - IELTS Cambridge Practice Tests
- anthropology, UPSC4Exams or UPSCEssayHub - UPSC Telegram Channels
- GaryChamberlainLectureNotes - Econometrics Lecture Notes
- GCE Guide - Cambridge Assessment Guide
- IB Docs - The International Baccalaureate Resources
- IB Survival - IB Student Forums
- ITExams - IT Exam Collection
- Lecture Links for Placement Preparation in Computer Science
- Science Career General - PhD / Stem Career Study Guides
- HamExam, AA9PW or HamStudy - Ham Radio Practice Exams
- Cheatography - Educational Cheat Sheets
- LitSolutions - Textbook Solutions
- School Cheats - School Platform Answers
- Quizizz Cheat - Quizizz Answers Tool
- PXTrez - Kahoot Answers Tool
- ITExamAnswers.net - IT Exam Answers
- 🌐 Awesome Datasets - Public Datasets
- ⭐ Worldometer, Internet World Stats, WorldBank, Soar or UN Data - World Data & Statistics
- ⭐ Our World in Data - World Problem Database
- ⭐ The Atlas of Economic Complexity - Global Economic Growth Data
- ⭐ Soar - Digital Atlas
- Location Data or NationsEncyclopedia - Location / Population Data
- Global Consciousness Project - Real-Time Global Consciousness Data
- If It Were My Home, GlobalEdge or MyLifeElsewhere - Country Data Comparisons
- WorldPoverty - World Poverty Data
- Unequal Scenes - Scenes of Inequality Around the World
- EverySecond - Visualize Per Second Data
- Internet Live Stats - Live Internet Statistics
- Stat Counter - Search Engine, Browser and OS Statistics
- US Debt Clock - US Debt Clock
- Statista - Market Statistics
- OEC or UN Comtrade - Global Trade Data
- Netblocks - Find Impact of Internet Shutdown on Economy
- LittleSis - Business / Government Connections Data
- World Births and Deaths - World Birth / Death Rates Visualization
- DataUNODC - Drug / Crime Statistics
- Gun Violence Archive - Gun Violence Information Database
- Incarceration in Real Numbers - Incarceration Visualization / Facts
- Expatistan - Cost of Living Calculator
- Pixel Wealth - Wealth Inequality Visualization
- Climate Data or Climate Explorer - Climate Change Data
- Global Volcanism Program - Volcano Information Database
- 8000ers - Mountain Visualization & Info
- Nextstrain - Pathogen Evolution Tracking
- Epidemic Calculator - COVID Data
- 🌐 Dictionary Index - List of Online Dictionaries
- ⭐ The Piracy Glossary - Piracy Dictionary
- ⭐ Wikipedia, WikiWand or Metastem, ModernWiki - Encyclopedia
- ⭐ Wikipedia Tools - Top Pages / Deleted Pages / Page Connections / Dark Mode / TUI / Galaxy View / Offline View / Extract Text / Shorten URLs / Location Search
- ⭐ Merriam-Webster or TheSage - Dictionary / Thesaurus
- ⭐ UrbanDictionary / Frontends, Lingo2Word or Slangit - Slang Word / Phrase Dictionaries
- ⭐ OneLook - Multi Dictionary Search
- ⭐ Wolfram Alpha - Searchable Knowledgebase / API Access
- Phrases.org - Phrase Dictionary
- NinjaWords - Dictionary
- Wordnik - Dictionary
- OxfordLearnersDictionaries - Dictionary
- Cambridge Dictionary - Dictionary
- LDOCE - Dictionary
- Wiktionary - Dictionary
- Lexicool - Dictionary
- Vocabulary - Dictionary
- WordSense - Dictionary
- Spellcheck - Dictionary / Spell Check
- Webopedia or TechTerms - Tech Dictionary
- Why The Fluff - Common Jargon Dictionary
- EtymOnline or The Tower of Babel - Etymologies
- Fandom - Fan Wikis / Frontend / Old Style
- LexiLogos - Multi Language Dictionary Index
- Britannica - Encyclopedia
- EverybodyWiki - Encyclopedia
- Encyclopedia - Encyclopedia
- NewWorldEncyclopedia - Encyclopedia
- Citizendium - Encyclopedia
- Wikitia - Encyclopedia
- Conze.pt - Encyclopedia
- InfoPlease - Encyclopedia
- Refdesk - Encyclopedias
- Abbreviations - Abbreviations
- AcronymFinder - Abbreviations / Acronyms
- Chat Words Dictionary - Chat Abbreviations
- lengusa or Fraze.it - Sentence Search
- Dictionary - Dictionary / Thesaurus
- Thesaurus.com - Thesaurus / Frontend
- PowerThesaurus - Thesaurus
- VisualThesaurus - Thesaurus
- DescribingWords or Lose The Very - Adjectives
- Thsrs - Synonyms
- Synonym.com - Synonyms
- Feeels - Emotion Synonym Chart
- WikiDiff - Difference Between Any Words
- DoesNotTranslate - Words with No Translation
- Tip of my Tounge - Find Words you Can't Remember
- Stanford Encyclopedia of Philosophy, IEP or nLab - Philosophy Encyclopedias / Search
- TheIdioms - Idiom Dictionary
- Lexipedia or WordWeb - Word Connections
- RhymeZones or Rhymer - Rhyme Dictionary
- The Dictionary of Obscure Sorrows - Dictionary of Sorrows
- TheDevilsDictionary - Cynical Dictionary
- TagDef - Social Media Tag Dictionary
- KnowYourMeme - Meme Database
- IEoP - Fallacy Encyclopaedia
- Time Traveler - See when a word was first used in print
- Omniglot - Writing Systems & Languages Encyclopedia
- WordSafety - Swear Word Indexes
- FreeMdict - Dictionary Downloads / Archive
- PyGlossary - Convert Dictionary Files