Repositories list

• language-dashboard

  Public

  codecrafters-io/language-dashboard’s past year of commit activity
  Language dashboard for CodeCrafters challenges.

  Python

  •

  MIT License

  •44 forks•2525 stars•00 issues•11 pull request•Updated Oct 11, 2026Oct 11, 2026

• frontend

  Public

  codecrafters-io/frontend’s past year of commit activity
  Rebuild complex systems from scratch

  emberprogramming-challenges

  emberprogramming-challenges

  TypeScript

  •

  Other

  •3131 forks•127127 stars•66 issues•1818 pull requests•Updated Oct 6, 2026Oct 6, 2026

• build-your-own-interpreter

  Public

  codecrafters-io/build-your-own-interpreter’s past year of commit activity
  Definition for the interpreter challenge.

  Shell

  •

  MIT License

  •1919 forks•6161 stars•00 issues•33 pull requests•Updated Oct 5, 2026Oct 5, 2026

• language-templates

  Public

  codecrafters-io/language-templates’s past year of commit activity
  Dockerfile

  •1212 forks•1010 stars•00 issues•33 pull requests•Updated Oct 5, 2026Oct 5, 2026

• build-your-own-redis

  Public

  codecrafters-io/build-your-own-redis’s past year of commit activity
  Definition for the redis challenge.

  Shell

  •

  MIT License

  •8484 forks•367367 stars•00 issues•1717 pull requests•Updated Oct 5, 2026Oct 5, 2026

• build-your-own-kafka

  Public

  codecrafters-io/build-your-own-kafka’s past year of commit activity
  Definition for the kafka challenge.

  Shell

  •

  MIT License

  •1717 forks•6363 stars•00 issues•33 pull requests•Updated Oct 5, 2026Oct 5, 2026

• build-your-own-http-server

  Public

  codecrafters-io/build-your-own-http-server’s past year of commit activity
  Definition for the http-server challenge.

  Shell

  •

  MIT License

  •3939 forks•124124 stars•22 issues•11 pull request•Updated Oct 5, 2026Oct 5, 2026

• build-your-own-bittorrent

  Public

  codecrafters-io/build-your-own-bittorrent’s past year of commit activity
  Definition for the bittorrent challenge.

  C++

  •

  MIT License

  •2424 forks•9898 stars•11 issue•33 pull requests•Updated Oct 5, 2026Oct 5, 2026

• course-sdk

  Public

  codecrafters-io/course-sdk’s past year of commit activity
  A rewrite of course-sdk, with better developer ergonomics

  TypeScript

  •

  MIT License

  •3434 forks•117117 stars•22 issues•22 pull requests•Updated Oct 5, 2026Oct 5, 2026

• build-your-own-shell

  Public

  codecrafters-io/build-your-own-shell’s past year of commit activity
  Definition for the shell challenge.

  Shell

  •

  MIT License

  •2525 forks•5555 stars•00 issues•55 pull requests•Updated Oct 5, 2026Oct 5, 2026

• shell-tester

  Public

  codecrafters-io/shell-tester’s past year of commit activity
  Tester for the shell challenge.

  Go

  •77 forks•1212 stars•11 issue•55 pull requests•Updated Oct 5, 2026Oct 5, 2026

• build-your-own-git

  Public

  codecrafters-io/build-your-own-git’s past year of commit activity
  Definition for the git challenge.

  Shell

  •

  MIT License

  •3030 forks•154154 stars•44 issues•66 pull requests•Updated Sep 28, 2026Sep 28, 2026

• build-your-own-dns-server

  Public

  codecrafters-io/build-your-own-dns-server’s past year of commit activity
  Definition for the dns-server challenge.

  Shell

  •

  MIT License

  •2222 forks•2929 stars•22 issues•55 pull requests•Updated Sep 28, 2026Sep 28, 2026

• claude-code-tester

  Public

  codecrafters-io/claude-code-tester’s past year of commit activity
  Tester for the claude-code challenge.

  Go

  •33 forks•22 stars•00 issues•00 pull requests•Updated Sep 26, 2026Sep 26, 2026

• build-your-own-claude-code

  Public

  codecrafters-io/build-your-own-claude-code’s past year of commit activity
  Definition for the claude-code challenge.

  Shell

  •

  MIT License

  •1616 forks•4444 stars•00 issues•1919 pull requests•Updated Sep 26, 2026Sep 26, 2026

• tester-utils

  Public

  codecrafters-io/tester-utils’s past year of commit activity
  Go

  •

  MIT License

  •66 forks•55 stars•00 issues•00 pull requests•Updated Sep 24, 2026Sep 24, 2026

• build-your-own-sqlite

  Public

  codecrafters-io/build-your-own-sqlite’s past year of commit activity
  Definition for the sqlite challenge.

  Shell

  •

  MIT License

  •4040 forks•157157 stars•11 issue•22 pull requests•Updated Sep 7, 2026Sep 7, 2026

• build-your-own-grep

  Public

  codecrafters-io/build-your-own-grep’s past year of commit activity
  Definition for the grep challenge.

  Shell

  •

  MIT License

  •1616 forks•2828 stars•00 issues•22 pull requests•Updated Sep 7, 2026Sep 7, 2026

• redis-tester

  Public

  codecrafters-io/redis-tester’s past year of commit activity
  Go

  •2222 forks•3232 stars•00 issues•44 pull requests•Updated Sep 2, 2026Sep 2, 2026

• build-your-own-x

  Public

  codecrafters-io/build-your-own-x’s past year of commit activity
  Master programming by recreating your favorite technologies from scratch.

  programmingtutorialsfree+ 3

  programmingtutorialsfreeawesome-listtutorial-codetutorial-exercises

  Markdown

  •52k52k forks•553k553k stars•284284 issues•391391 pull requests•Updated Jul 14, 2026Jul 14, 2026

• ccbench

  Public

  codecrafters-io/ccbench’s past year of commit activity
  A benchmark for coding agents

  Rust

  •55 forks•3939 stars•22 issues•00 pull requests•Updated Jun 25, 2026Jun 25, 2026

• lobbyside-react

  Public

  codecrafters-io/lobbyside-react’s past year of commit activity
  React SDK for rendering custom Lobbyside widget UIs against live state — the host-side identity, CTA, and join-call action without our default card.

  TypeScript

  •11 fork•33 stars•00 issues•11 pull request•Updated Jun 22, 2026Jun 22, 2026

• ansi101

  Public

  codecrafters-io/ansi101’s past year of commit activity
  ANSI Escape Sequence Visualizer

  TypeScript

  •11 fork•1010 stars•11 issue•00 pull requests•Updated Jun 5, 2026Jun 5, 2026

• tester-template

  Public template

  codecrafters-io/tester-template’s past year of commit activity
  Go

  •44 forks•22 stars•00 issues•00 pull requests•Updated Apr 22, 2026Apr 22, 2026

• dns-server-tester

  Public

  codecrafters-io/dns-server-tester’s past year of commit activity
  Tester for the dns-server challenge.

  Go

  •77 forks•77 stars•00 issues•00 pull requests•Updated Apr 22, 2026Apr 22, 2026

• homebrew-tap

  Public

  codecrafters-io/homebrew-tap’s past year of commit activity
  Homebrew Tap

  Ruby

  •

  MIT License

  •22 forks•22 stars•00 issues•00 pull requests•Updated Apr 21, 2026Apr 21, 2026

• cli

  Public

  codecrafters-io/cli’s past year of commit activity
  CodeCrafters CLI to run tests

  Go

  •

  MIT License

  •1919 forks•3030 stars•44 issues•22 pull requests•Updated Apr 21, 2026Apr 21, 2026

• kafka-tester

  Public

  codecrafters-io/kafka-tester’s past year of commit activity
  Tester for the kafka challenge.

  Go

  •

  MIT License

  •55 forks•55 stars•00 issues•00 pull requests•Updated Mar 31, 2026Mar 31, 2026

• binspec

  Public

  codecrafters-io/binspec’s past year of commit activity
  TypeScript

  •77 forks•6060 stars•55 issues•11 pull request•Updated Mar 9, 2026Mar 9, 2026

• docs

  Public

  codecrafters-io/docs’s past year of commit activity
  Documentation for codecrafters users and contributors

  Ruby

  •2828 forks•2626 stars•22 issues•00 pull requests•Updated Feb 27, 2026Feb 27, 2026