# The Missing Manual for Developers

> Comprehensive, technical guides covering computer science fundamentals, low-level programming, algorithms, databases, and core web technologies.

- Website: https://themissingmanual.dev/?ref=devshelf.io
- DevShelf page: https://devshelf.io/resource/the-missing-manual-for-developers
- Pricing: Free
- Tags: No sign-up
- Categories: [Courses & Tutorials](https://devshelf.io/category/courses-tutorials.md), [Cheatsheets & Docs](https://devshelf.io/category/cheatsheets-docs.md)
- Last checked: 2026-11-02

## About

The Missing Manual for Developers provides clear, in-depth technical guides explaining how software and underlying systems work, ranging from hardware bootstrapping and microcontrollers to internet protocols, databases, and artificial intelligence. It features hundreds of structured tutorials, algorithms implemented across multiple languages, interactive code examples runnable directly in the browser, cheat sheets, and practice lessons designed to deepen software engineering fundamentals.

## Alternatives

- [Awesome Courses](https://devshelf.io/resource/awesome-courses.md): A curated collection of high-quality university computer science courses available online for self-paced learning. (pricing: Free)
- [WebCheatSheet](https://devshelf.io/resource/webcheatsheet.md): Technical web development guides, code snippets, and solutions for PHP, SQL, JavaScript, HTML, and SaaS database architectures. (pricing: Free)
- [MDN Web Docs](https://devshelf.io/resource/mdn-web-docs.md): MDN Web Docs is a comprehensive, open-source documentation repository for web technologies, including HTML, CSS, JavaScript, and Web APIs. (pricing: Free)

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Source: DevShelf.io, the hand-reviewed catalog of dev tools and resources. Every resource is reviewed by hand before it is listed.
