head to head · open source
OpenViking vs busabase
OpenViking has 40,758 GitHub stars, 3,300 forks, 999 open issues and last shipped 2 days ago. busabase has 584 stars, 53 forks, 4 open issues and last shipped 2 days ago. OpenViking leads on adoption by 6,879% (40,758 vs 584 stars). OpenViking is written in Python under AGPL-3.0; busabase is written in TypeScript under MIT. OpenViking has attracted 8% as many forks as stars, busabase 9%. OpenViking was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (knowledge-base), so they are genuine substitutes rather than adjacent tools.
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 | busabase | |
|---|---|---|
| GitHub stars | ★ 41K | ★ 584 |
| License | AGPL-3.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-10-24 | 2026-10-24 |
| Forks | ⑂ 3.3K | ⑂ 53 |
| 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 busabase if
- You want the busabase feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and busabase 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 busabase
Busabase The System of Record for AI Agents Different agents. One shared base. The open source database & workspace where Claude Code, Codex, Cursor, and your own agents keep the records, docs, skills, and apps the next task builds on. 中文 · 日本語 · 한국어 Quick Start · Features · Connect an Agent · Use Cases · Docs · Community Busabase is an open source database and workspace for AI agents — agents and people share the same structured data, docs, skills, and apps, and writes that matter become reviewed, trusted records. Every agent session starts from zero. Your CLAUDE.md lives in one repo, the best output dies in a…
read the full busabase overview →
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Frequently asked questions
Is OpenViking or busabase more popular?
OpenViking has 40,758 GitHub stars and busabase has 584. OpenViking has the larger community by that measure.
Are OpenViking and busabase free?
Both are open source. OpenViking is licensed under AGPL-3.0 and busabase under MIT. Neither carries a licence fee.
What is the difference between OpenViking and busabase?
OpenViking is written in Python and busabase in TypeScript. 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 busabase?
Choose OpenViking if you want the larger community (40,758 stars) or its AGPL-3.0 licence terms. Choose busabase if its feature set, stack or MIT licence fits better. Both are self-hostable.