head to head · open source
devdocs vs SAG
devdocs has 39,462 GitHub stars, 2,643 forks, 196 open issues and last shipped 3 days ago. SAG has 2,496 stars, 162 forks, 2 open issues and last shipped yesterday. devdocs leads on adoption by 1,481% (39,462 vs 2,496 stars). devdocs is written in Ruby under MPL-2.0; SAG is written in Python under MIT. devdocs has attracted 7% as many forks as stars, SAG 6%. SAG was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| devdocs | SAG | |
|---|---|---|
| GitHub stars | ★ 39K | ★ 2.5K |
| License | MPL-2.0 | MIT |
| Written in | Ruby | Python |
| Last push | 2026-09-15 | 2026-09-17 |
| Forks | ⑂ 2.6K | ⑂ 162 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick devdocs if
- You weight community size — 39K stars and counting
- You want the MPL-2.0 license terms
- Your stack matches Ruby
- You value the larger contributor base for long-term maintenance
pick SAG if
- You want the SAG feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and SAG fits your workflow better
About devdocs
DevDocs is an API documentation browser that combines multiple developer documentations into a single, clean and organized web UI with instant search, offline support, a mobile version, a dark theme and keyboard shortcuts, and it is aimed at developers who need to read and search API and reference documentation quickly.
read the full devdocs overview →
About SAG
SAG English · 简体中文 From now on, this is the only knowledge base app you need. Built on the state of the art SAG architecture, it turns scattered documents and data into knowledge that is searchable, connected, and traceable. Contents Community · Project · Technology · User Guide · Developer Guide Project Changelog August 30, 2026 SAG now supports @zleap ai/dsh sag . The built in local DeepSeek Harness connector makes SAG knowledge available to DSH Agents for search, source reading, and source and document management. August 13, 2026 Added OCTX source import and export with integrity validation, conflict handling,…
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Frequently asked questions
Is devdocs or SAG more popular?
devdocs has 39,462 GitHub stars and SAG has 2,496. devdocs has the larger community by that measure.
Are devdocs and SAG free?
Both are open source. devdocs is licensed under MPL-2.0 and SAG under MIT. Neither carries a licence fee.
What is the difference between devdocs and SAG?
devdocs is written in Ruby and SAG in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, devdocs or SAG?
Choose devdocs if you want the larger community (39,462 stars) or its MPL-2.0 licence terms. Choose SAG if its feature set, stack or MIT licence fits better. Both are self-hostable.