build-your-own-x

The most-starred repo on GitHub (533K+). Step-by-step guides to rebuild databases, operating systems, web servers, git, Docker, Redis, and dozens of other technologies from scratch. Written by the CodeCrafters team and community contributors. Best for developers who want deep understanding of how the tools they use actually work under the hood.

AI ToolFree Tier: Fully free, open-source (MIT)Company: CodeCraftersCategory: Git ReposOpen Source: YesQuick Start: Browse github.com/codecrafters-io/build-your-own-x → Pick a technology you use daily (Redis, Git, Docker) → Follow the guide in your language of choice

build-your-own-x

533K★ — Master programming by recreating your favorite technologies from scratch

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The most-starred repo on GitHub (533K+). Step-by-step guides to rebuild databases, operating systems, web servers, git, Docker, Redis, and dozens of other technologies from scratch. Written by the CodeCrafters team and community contributors. Best for developers who want deep understanding of how the tools they use actually work under the hood.

FREE TIER
Fully free, open-source (MIT)
COMPANY
CodeCrafters
CATEGORY
Git Repos › Learning & Resources
OPEN SOURCE
Yes
PRIVACY
Static content; no tracking
TAGS
learningprogrammingbuild-from-scratchtutorial

QUICK START

Browse github.com/codecrafters-io/build-your-own-x → Pick a technology you use daily (Redis, Git, Docker) → Follow the guide in your language of choice

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