Education

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craftbeer.com Website

CraftBeer.com Beer Styles

A guide to more than 75 beer styles, each with its history, vital statistics, flavor notes, and food pairing ideas, from…

craftinginterpreters.com Website

Crafting Interpreters

A free online book by Robert Nystrom that walks readers through building two complete programming language interpreters…

nayuki.io Interactive

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…

diegoinacio.github.io Website

Creative Coding Notebooks

A set of Python notebooks teaching the fundamentals of creative coding and computer art, with recipes for generating ima…

crimefictionlover.com Article

Crime Fiction Lover

A site devoted to crime and mystery fiction, publishing reviews, author interviews, and recommendations for readers hook…

thomasbloch.net Website

Cristal Baschet

Thomas Bloch's guide to the cristal Baschet, an eerie instrument played with wet fingers on glass rods, with videos, pho…

internet-atlas.net Website

Critical Atlas of Internet

Louise Drulhe's illustrated research project exploring fifteen spatial metaphors of the internet to expose its social, p…

philosophy.hku.hk Article

Critical Thinking Web

A free tutorial site from the University of Hong Kong covering logic, scientific reasoning, and strategic thinking throu…

criticalpast.com Video

CriticalPast

A searchable library of public-domain historic film clips and photographs covering wars, politics, and everyday life fro…

critiquecircle.com Website

Critique Circle

A free online writing workshop connecting authors for structured peer critique of short stories, novel chapters, and poe…

cronobook.com Interactive

Cronobook

A historic street view tool that lets you travel to the past and compare how streets, squares, parks, and facades looked…

crookedtimber.org Website

Crooked Timber

A long-running group blog by academics writing on politics, economics, philosophy, books, and culture, from sharp essays…

crosswordlabs.com Interactive

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…

crosswordtools.com Interactive

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…

crosswordunclued.com Website

Crossword Unclued

A long-running blog for cryptic crossword lovers, with a beginner's guide, solving tips, clue-writing tricks, grid oddit…

thetedhughessociety.org Article

Crow - The Ted Hughes Society

Neil Roberts introduces Ted Hughes's Crow, the controversial 1970 poem sequence that turned mythic, explaining its place…

cruncher.io Interactive

Cruncher

A calculating notepad where every number on screen can be scrubbed by dragging, with dependent values and charts updatin…

crunchzilla.com Interactive

Crunchzilla

Interactive coding tutorials with playful characters, including Code Monster for kids and Code Maven for teens, where yo…

cryptii.com Interactive

Cryptii

A modular, visual playground for chaining together classical ciphers and encodings step by step, making it easy to see e…

crypto101.io Website

Crypto 101

A free introductory course on cryptography covering block ciphers, hashing, key exchange and common pitfalls, aimed at r…

cryptomuseum.com Website

Crypto Museum

An extraordinarily detailed online museum documenting historic cipher machines, from the Enigma to Cold War spy radios a…

cryptoclub.org Website

Cryptoclub

An educational outreach project teaching classical cipher-breaking through hands-on activities, letting visitors crack C…

cryptohack.org Interactive

CryptoHack

A gamified platform teaching modern cryptography through capture-the-flag style challenges, popular with security and cr…

cryptool.org Interactive

CrypTool

An interactive cryptology learning site where you play with ciphers online, work through lessons, and solve puzzles to b…

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