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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 468k 43.8k

  2. learning-stipends learning-stipends Public

    Companies that support engineers with learning stipends

    373 34

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

    Definition for the redis challenge.

    Shell 294 67

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

    Definition for the sqlite challenge.

    Shell 124 30

Repositories

Showing 10 of 134 repositories
  • 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 17 0 13 Updated Feb 21, 2026
  • frontend Public

    Rebuild complex systems from scratch

    codecrafters-io/frontend’s past year of commit activity
    TypeScript 109 28 5 28 Updated Feb 21, 2026
  • build-your-own-x Public

    Master programming by recreating your favorite technologies from scratch.

    codecrafters-io/build-your-own-x’s past year of commit activity
    Markdown 467,700 43,841 232 194 Updated Feb 21, 2026
  • cli Public

    CodeCrafters CLI to run tests

    codecrafters-io/cli’s past year of commit activity
    Go 19 MIT 12 8 1 Updated Feb 21, 2026
  • homebrew-tap Public

    Homebrew Tap

    codecrafters-io/homebrew-tap’s past year of commit activity
    Ruby 1 MIT 1 0 0 Updated Feb 20, 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 2 Updated Feb 20, 2026
  • shell-tester Public

    Tester for the shell challenge.

    codecrafters-io/shell-tester’s past year of commit activity
    Go 7 5 0 11 Updated Feb 20, 2026
  • llm-rules-test Public

    Custom runner for LLM rules that help validate stage instructions

    codecrafters-io/llm-rules-test’s past year of commit activity
    TypeScript 1 1 0 0 Updated Feb 19, 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 5 MIT 3 0 19 Updated Feb 19, 2026
  • build-your-own-git Public

    Definition for the git challenge.

    codecrafters-io/build-your-own-git’s past year of commit activity
    Shell 130 MIT 25 4 6 Updated Feb 19, 2026