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CodeCrafters

Build your own Git, Docker, SQLite, & Redis.

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  1. build-your-own-x build-your-own-x Public

    Master programming by recreating your favorite technologies from scratch.

    Markdown 464k 43.6k

  2. learning-stipends learning-stipends Public

    Companies that support engineers with learning stipends

    371 34

  3. build-your-own-redis build-your-own-redis Public

    Definition for the redis challenge.

    Shell 293 66

  4. build-your-own-sqlite build-your-own-sqlite Public

    Definition for the sqlite challenge.

    Shell 123 30

Repositories

Showing 10 of 133 repositories
  • frontend Public

    Rebuild complex systems from scratch

    codecrafters-io/frontend’s past year of commit activity
    TypeScript 107 26 8 18 Updated Feb 5, 2026
  • course-sdk Public

    A rewrite of course-sdk, with better developer ergonomics

    codecrafters-io/course-sdk’s past year of commit activity
    TypeScript 80 MIT 23 2 4 Updated Feb 5, 2026
  • bittorrent-tester Public

    Tester for the "Build your own BitTorrent" challenge

    codecrafters-io/bittorrent-tester’s past year of commit activity
    Go 6 4 0 0 Updated Feb 5, 2026
  • course-template Public template

    Template for new course repositories

    codecrafters-io/course-template’s past year of commit activity
    Shell 5 MIT 2 0 4 Updated Feb 5, 2026
  • claude-code-tester Public

    Tester for the claude-code challenge.

    codecrafters-io/claude-code-tester’s past year of commit activity
    Go 0 0 0 0 Updated Feb 5, 2026
  • codecrafters-io/language-templates’s past year of commit activity
    Shell 4 8 0 2 Updated Feb 5, 2026
  • tester-template Public template
    codecrafters-io/tester-template’s past year of commit activity
    Go 1 3 0 0 Updated Feb 5, 2026
  • tester-utils Public
    codecrafters-io/tester-utils’s past year of commit activity
    Go 2 MIT 5 0 1 Updated Feb 5, 2026
  • build-your-own-shell Public

    Definition for the shell challenge.

    codecrafters-io/build-your-own-shell’s past year of commit activity
    Shell 36 MIT 16 0 4 Updated Feb 5, 2026
  • build-your-own-claude-code Public

    Definition for the claude-code challenge.

    codecrafters-io/build-your-own-claude-code’s past year of commit activity
    Shell 3 MIT 1 0 0 Updated Feb 4, 2026