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    131 repositories

    • build-your-own-dns-server

      Public
      Definition for the dns-server challenge.
      Shell
      •
      MIT License
      •13•21•2•2•Updated Dec 9, 2025Dec 9, 2025

    • build-your-own-http-server

      Public
      Definition for the http-server challenge.
      Shell
      •
      MIT License
      •32•112•2•2•Updated Dec 9, 2025Dec 9, 2025

    • grep-tester

      Public
      Go
      •3•2•0•4•Updated Dec 9, 2025Dec 9, 2025

    • build-your-own-bittorrent

      Public
      Definition for the bittorrent challenge.
      C++
      •
      MIT License
      •18•79•1•3•Updated Dec 9, 2025Dec 9, 2025

    • build-your-own-shell

      Public
      Definition for the shell challenge.
      Shell
      •
      MIT License
      •15•33•0•3•Updated Dec 9, 2025Dec 9, 2025

    • build-your-own-sqlite

      Public
      Definition for the sqlite challenge.
      Shell
      •
      MIT License
      •31•118•1•2•Updated Dec 9, 2025Dec 9, 2025

    • build-your-own-grep

      Public
      Definition for the grep challenge.
      Shell
      •
      MIT License
      •14•26•0•4•Updated Dec 9, 2025Dec 9, 2025

    • build-your-own-git

      Public
      Definition for the git challenge.
      Shell
      •
      MIT License
      •23•127•4•7•Updated Dec 9, 2025Dec 9, 2025

    • language-templates

      Public
      Dockerfile
      •7•4•0•1•Updated Dec 9, 2025Dec 9, 2025

    • build-your-own-redis

      Public
      Definition for the redis challenge.
      Shell
      •
      MIT License
      •65•262•0•2•Updated Dec 9, 2025Dec 9, 2025

    • frontend

      Public
      Rebuild complex systems from scratch
      emberprogramming-challenges
      TypeScript
      •
      Other
      •28•99•10•30•Updated Dec 8, 2025Dec 8, 2025

    • shell-tester

      Public
      Tester for the shell challenge.
      Go
      •5•7•0•5•Updated Dec 8, 2025Dec 8, 2025

    • tester-utils

      Public
      Go
      •
      MIT License
      •5•2•0•2•Updated Dec 5, 2025Dec 5, 2025

    • language-dashboard

      Public
      Language dashboard for CodeCrafters challenges.
      Python
      •
      MIT License
      •3•13•0•0•Updated Dec 3, 2025Dec 3, 2025

    • build-your-own-interpreter

      Public
      Definition for the interpreter challenge.
      Shell
      •
      MIT License
      •16•47•1•4•Updated Dec 2, 2025Dec 2, 2025

    • test-runner-builder

      Public
      Ruby
      •1•2•0•1•Updated Nov 30, 2025Nov 30, 2025

    • course-sdk

      Public
      A rewrite of course-sdk, with better developer ergonomics
      TypeScript
      •
      MIT License
      •21•75•2•1•Updated Nov 28, 2025Nov 28, 2025

    • sqlite-tester

      Public
      Go
      •6•9•0•2•Updated Nov 27, 2025Nov 27, 2025

    • interpreter-tester

      Public
      Tester for the interpreter challenge.
      Go
      •5•5•1•2•Updated Nov 27, 2025Nov 27, 2025

    • cli

      Public
      CodeCrafters CLI to run tests
      Go
      •
      MIT License
      •10•17•7•1•Updated Nov 26, 2025Nov 26, 2025

    • redis-tester

      Public
      Go
      •19•27•0•4•Updated Nov 25, 2025Nov 25, 2025

    • docs

      Public
      Documentation for codecrafters users and contributors
      Ruby
      •18•18•1•0•Updated Nov 24, 2025Nov 24, 2025

    • build-your-own-kafka

      Public
      Definition for the kafka challenge.
      Shell
      •
      MIT License
      •11•35•0•7•Updated Nov 24, 2025Nov 24, 2025

    • git-tester

      Public
      Go
      •9•10•0•6•Updated Nov 19, 2025Nov 19, 2025

    • llm-rules-test

      Public
      Custom runner for LLM rules that help validate stage instructions
      TypeScript
      •1•1•0•0•Updated Nov 19, 2025Nov 19, 2025

    • stagegen

      Public
      TypeScript
      •1•1•0•0•Updated Nov 16, 2025Nov 16, 2025

    • bittorrent-tester

      Public
      Tester for the "Build your own BitTorrent" challenge
      Go
      •4•5•0•0•Updated Nov 16, 2025Nov 16, 2025

    • homebrew-tap

      Public
      Homebrew Tap
      Ruby
      •
      MIT License
      •1•1•0•0•Updated Nov 4, 2025Nov 4, 2025

    • dns-server-tester

      Public
      Tester for the dns-server challenge.
      Go
      •4•5•0•0•Updated Oct 31, 2025Oct 31, 2025

    • http-server-tester

      Public
      Go
      •6•11•0•1•Updated Oct 31, 2025Oct 31, 2025