build-your-own-x

Master programming by recreating your favorite technologies from scratch.

learning-stipends

Companies that support engineers with learning stipends

languages

Powers multi-language support for CodeCrafters challenges

build-your-own-redis

Definition for the redis challenge.

build-your-own-git

Definition for the git challenge.

build-your-own-sqlite

Definition for the sqlite challenge.

frontend

Rebuild complex systems from scratch

build-your-own-http-server

Definition for the http-server challenge.

build-your-own-bittorrent

Definition for the bittorrent challenge.

binspec

course-sdk

A rewrite of course-sdk, with better developer ergonomics

build-your-own-interpreter

Definition for the interpreter challenge.