head to head · open source
devdocs vs dumi
devdocs has 39,461 GitHub stars, 2,643 forks, 196 open issues and last shipped 3 days ago. dumi has 3,797 stars, 1,168 forks, 183 open issues and last shipped 4 days ago. devdocs leads on adoption by 939% (39,461 vs 3,797 stars). devdocs is written in Ruby under MPL-2.0; dumi is written in JavaScript under MIT. devdocs has attracted 7% as many forks as stars, dumi 31%. devdocs 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.
← all 8884 open source comparisons
Side by side
| devdocs | dumi | |
|---|---|---|
| GitHub stars | ★ 39K | ★ 3.8K |
| License | MPL-2.0 | MIT |
| Written in | Ruby | JavaScript |
| Last push | 2026-09-15 | 2026-09-14 |
| Forks | ⑂ 2.6K | ⑂ 1.2K |
| 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 dumi if
- You want the dumi feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and dumi 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 dumi
dumi is a static site generator for component library development. It is a JavaScript project in the Umi ecosystem, and its repository is categorized under Content & Publishing / Documentation & Knowledge Base. The project is distributed under the MIT license, and the provided registry data records 3,797 stars, 1,167 forks, 183 open issues, a seven year repository age, and a last push date of 2026 09 14.
More in Content & Publishing
Related comparisons
More Documentation & Knowledge Base projects
Compare either of these against the rest of the Documentation & Knowledge Base field.
Frequently asked questions
Is devdocs or dumi more popular?
devdocs has 39,461 GitHub stars and dumi has 3,797. devdocs has the larger community by that measure.
Are devdocs and dumi free?
Both are open source. devdocs is licensed under MPL-2.0 and dumi under MIT. Neither carries a licence fee.
What is the difference between devdocs and dumi?
devdocs is written in Ruby and dumi in JavaScript. 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 dumi?
Choose devdocs if you want the larger community (39,461 stars) or its MPL-2.0 licence terms. Choose dumi if its feature set, stack or MIT licence fits better. Both are self-hostable.