Build your own X
Guided challenges where you rebuild Redis, Git, Docker or a shell from scratch in your language.
Who it's for
Experienced developers who learn best by building internals rather than watching videos.
Official links
Keep exploring
5 in catalog
CodeCrafters teaches
-
Go
Build fast, reliable, and efficient software at scale
Language -
Python
Python is a programming language that is simple, versatile, and widely used.
Language -
Rust
Empowering everyone to build reliable and efficient software
Language -
JavaScript
The Language of the Web
Language -
Java
Write Once, Run Anywhere
Language