CodeCrafters

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

Sponsor

Pinned Loading

build-your-own-x build-your-own-x Public

Master programming by recreating your favorite technologies from scratch.

Markdown 441k 41.3k
learning-stipends learning-stipends Public

Companies that support engineers with learning stipends

354 33
build-your-own-redis build-your-own-redis Public

Definition for the redis challenge.

Shell 259 63
build-your-own-sqlite build-your-own-sqlite Public

Definition for the sqlite challenge.

Shell 114 31

Repositories

grep-tester Public

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

Go 1 3 0 3 Updated Nov 21, 2025
shell-tester Public
Tester for the shell challenge.

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

Go 6 5 0 4 Updated Nov 21, 2025
language-dashboard Public
Language dashboard for CodeCrafters challenges.

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

Python 12 MIT 3 0 0 Updated Nov 21, 2025
frontend Public
Rebuild complex systems from scratch

codecrafters-io/frontend’s past year of commit activity

TypeScript 96 26 11 26 Updated Nov 21, 2025
build-your-own-shell Public
Definition for the shell challenge.

codecrafters-io/build-your-own-shell’s past year of commit activity

Shell 30 MIT 15 0 3 Updated Nov 21, 2025
build-your-own-redis Public
Definition for the redis challenge.

codecrafters-io/build-your-own-redis’s past year of commit activity

Shell 259 MIT 63 0 2 Updated Nov 21, 2025
git-tester Public

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

Go 9 8 0 6 Updated Nov 20, 2025
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 0 0 0 0 Updated Nov 19, 2025
build-your-own-grep Public
Definition for the grep challenge.

codecrafters-io/build-your-own-grep’s past year of commit activity

Shell 23 MIT 14 0 4 Updated Nov 19, 2025
build-your-own-kafka Public
Definition for the kafka challenge.

codecrafters-io/build-your-own-kafka’s past year of commit activity

Shell 33 MIT 10 0 7 Updated Nov 18, 2025