Education
1,350 interactive pages · most loved first · page 11 of 57· Tonble one of these
Complexity Explained
An illustrated, animated primer on complexity science, walking through emergence, networks, feedback, self-organization…
Complexity Explorables
Interactive simulations of complex systems by physicist Dirk Brockmann, letting you play with flocking, epidemics, synch…
Connect Vermeer
An interactive research platform that maps the web of artists, teachers and rivals around Johannes Vermeer, showing he w…
Conversao
A simple online tool that converts a value in any unit to all the other units at once, covering lengths, weights, volume…
Conversion Calculator
A unit converter covering acceleration, energy, length, mass and more, with oddities like barleycorns, cable lengths and…
ConvNetJS
A JavaScript library with live demos that train neural networks right in your browser, including image classifiers, regr…
Conway's Doomsday Rule
An illustrated guide to mentally working out the weekday of any date with Conway's Doomsday rule, plus practice exercise…
Conway's Game of Life
A clean, playable Conway's Game of Life with a built-in Life Lexicon of famous patterns: draw cells, load gliders and gu…
Cooljugator
A free verb conjugation tool covering dozens of languages, from major world languages to lesser-taught ones like Iceland…
Corpus of Contemporary American English
A massive searchable database of over a billion words of real American English, letting users see how words and phrases…
Cosmic Odometer
Calculates how far you have traveled through the universe since birth, using real physics data for Earth's motion, the s…
CosmoQuest
A citizen-science platform where volunteers help map craters and features on the Moon, Mars, and other worlds using real…
Cover Your Tracks
An EFF tool that tests your browser and shows how trackers see you, including how unique your browser fingerprint is amo…
Creating a QR Code Step by Step
An interactive demo that visualizes every stage of building a QR code, from data encoding and error correction to maskin…
Cronobook
A historic street view tool that lets you travel to the past and compare how streets, squares, parks, and facades looked…
Crossword Labs
A free online crossword maker where you enter words and clues, then print the puzzle as a PDF, share it, or solve it onl…
Crossword Maestro Clue Solver
A crossword helper with pattern lookup, anagram solving, a dictionary and clue search, handy when you are stuck on a wor…
Cruncher
A calculating notepad where every number on screen can be scrubbed by dragging, with dependent values and charts updatin…
Crunchzilla
Interactive coding tutorials with playful characters, including Code Monster for kids and Code Maven for teens, where yo…
Cryptii
A modular, visual playground for chaining together classical ciphers and encodings step by step, making it easy to see e…
CryptoHack
A gamified platform teaching modern cryptography through capture-the-flag style challenges, popular with security and cr…
CrypTool
An interactive cryptology learning site where you play with ciphers online, work through lessons, and solve puzzles to b…
Crystalcuber
A set of speedcubing trainers for the CFOP and ZZ methods, with in-browser drills for practicing the individual stages o…
CSRankings
A metrics-based ranking of computer science departments and faculty by publication activity at top venues, filterable by…
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