build-your-own-x
A curated list of step-by-step guides for recreating well-known technologies from scratch, such as databases, editors and games. It is meant for learning how things work by building them.
Pick a small issue you can reproduce, then fix it with your AI coding agent.
Share on XNo license declared
Overview
Build Your Own X is a curated list of step-by-step guides for recreating well-known technologies from scratch. It is organized by topic, including 3D renderers, databases, Docker, Git, operating systems, programming languages, neural networks and games. The idea is that you learn how a technology works by building a small version of it yourself.
Key features
- Guides grouped by technology topic
- Covers databases, Git, Docker, operating systems and more
- Includes programming languages, emulators and neural networks
- Each entry links to a step-by-step tutorial
Best for
Programmers who learn best by building and want a starting point for a hands-on project. It is a list of links, so the quality and language of each guide depends on its author.
- Upstream
- codecrafters-io/build-your-own-x
- Fork on GitHub
- Guo-astro/build-your-own-x
- Upstream stars
- 560k
- Category
- Learning, interviews and curated lists
- Language
- Markdown
- License
- No license declaredWithout a license, the author keeps all rights. Ask the upstream owner before reusing the code.
- Forked
- 2025-11-22
- Sync status
- Updated by last syncLast synced 2026-11-09
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