About DevDocs
DevDocs is a web application that combines documentation for multiple programming languages and frameworks into a single, searchable interface. It provides instant search, offline support, a mobile version, dark theme, and keyboard shortcuts. The application is open source and can be self-hosted or used via the hosted version at devdocs.io.
The project is maintained by freeCodeCamp and includes a Ruby scraper for generating documentation and a JavaScript app. It supports running locally via Docker or manual installation, with documentation available for HTML, CSS, JavaScript, PHP, Ruby, Python, Go, C, C++, and more.
Key features
- Instant search across multiple documentation sets
- Offline support for accessing docs without internet
- Mobile version for on-the-go access
- Dark theme and keyboard shortcuts
- Self-hosted option via Docker or manual setup
Good fit for
- Developers looking up API references for multiple languages in one place
- Users needing offline access to documentation
- Teams wanting a self-hosted documentation browser
DevDocs: questions and answers
- What is DevDocs used for?
- DevDocs is a web-based documentation browser that aggregates multiple API references into a single searchable interface with offline capabilities. It is a good fit for developers looking up API references for multiple languages in one place, users needing offline access to documentation and teams wanting a self-hosted documentation browser.
- Is DevDocs open source?
- Yes. DevDocs is open source under the MPL-2.0 licence. Its source code is on GitHub at freeCodeCamp/devdocs and is written mainly in Ruby.
- Is DevDocs free?
- Yes. DevDocs is open source, so the software itself is free to use. A managed cloud version is also available.
- Can I self-host DevDocs?
- Yes. DevDocs can be self-hosted on your own server or infrastructure.
- What are some alternatives to DevDocs?
- Similar open-source tools in the Docs & Wikis category include Zeal, SpectaQL and Outline. SaaS products in the same category include Helpjuice, 1explain and Adobe FrameMaker.
- Is DevDocs actively maintained?
- Yes. The most recent commit to DevDocs was on 12 October 2026. The project has 40k stars on GitHub.
Open-source alternatives to DevDocs
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