head to head · open source
OpenViking vs dumi
OpenViking has 41,324 GitHub stars, 3,352 forks, 999 open issues and last shipped yesterday. dumi has 3,796 stars, 1,164 forks, 183 open issues and last shipped 5 days ago. OpenViking leads on adoption by 989% (41,324 vs 3,796 stars). OpenViking is written in Python under AGPL-3.0; dumi is written in JavaScript under MIT. OpenViking has attracted 8% as many forks as stars, dumi 31%. OpenViking 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
| OpenViking | dumi | |
|---|---|---|
| GitHub stars | ★ 41K | ★ 3.8K |
| License | AGPL-3.0 | MIT |
| Written in | Python | JavaScript |
| Last push | 2026-11-02 | 2026-10-29 |
| Forks | ⑂ 3.4K | ⑂ 1.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenViking if
- You weight community size — 41K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Python
- 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 OpenViking
The Context Database for AI Agents English / 中文 / 日本語 Website · Live Demo · GitHub · Issues · Docs · Blog Lark · WeChat · Discord · X What is OpenViking OpenViking is an open source context database for AI agents — one filesystem for everything an agent knows: knowledge, memory, and skills. Most agent memory is a black box: text goes in, embeddings come out, and nobody can see what was actually stored. OpenViking organizes context as a virtual filesystem under viking:// instead. Agents navigate it like files — ls , tree , read , write , grep — and you can open any directory to inspect and edit what your agent…
read the full OpenViking overview →
About dumi
dumi dumi is a static site generator for component library development. Usage & Guide To view more online examples and docs, please visit dumi official site. Contributing See CONTRIBUTING.md Badge Using dumi? Add a README badge to show it off: LICENSE MIT
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Frequently asked questions
Is OpenViking or dumi more popular?
OpenViking has 41,324 GitHub stars and dumi has 3,796. OpenViking has the larger community by that measure.
Are OpenViking and dumi free?
Both are open source. OpenViking is licensed under AGPL-3.0 and dumi under MIT. Neither carries a licence fee.
What is the difference between OpenViking and dumi?
OpenViking is written in Python 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, OpenViking or dumi?
Choose OpenViking if you want the larger community (41,324 stars) or its AGPL-3.0 licence terms. Choose dumi if its feature set, stack or MIT licence fits better. Both are self-hostable.