head to head · open source
OpenViking vs oscean
OpenViking has 41,324 GitHub stars, 3,352 forks, 999 open issues and last shipped yesterday. oscean has 562 stars, 81 forks, 8 open issues and last shipped 2 days ago. OpenViking leads on adoption by 7,253% (41,324 vs 562 stars). OpenViking is written in Python under AGPL-3.0; oscean is written in HTML under MIT. OpenViking has attracted 8% as many forks as stars, oscean 14%. 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 | oscean | |
|---|---|---|
| GitHub stars | ★ 41K | ★ 562 |
| License | AGPL-3.0 | MIT |
| Written in | Python | HTML |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 3.4K | ⑂ 81 |
| 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 oscean if
- You want the oscean feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches HTML
- You evaluated both and oscean 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 oscean
Oscean This is the repository for the Oscean wiki, see the on site documentation for more up to date details. Oscean is a static site written in Uxntal, a stack machine assembly language designed for a portable virtual machine. The database tables are stored as plain text files designed to fit in Uxn's 64kb of memory. The main branch is the live version . Build The oscean.rom file can be assembled with drifblim. The pre processor step generates temporary files for oscean to populate the wiki with. entry log , contains all the diary logs for that entry. entry map , contains all the incoming links for that entry…
read the full oscean overview →
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Frequently asked questions
Is OpenViking or oscean more popular?
OpenViking has 41,324 GitHub stars and oscean has 562. OpenViking has the larger community by that measure.
Are OpenViking and oscean free?
Both are open source. OpenViking is licensed under AGPL-3.0 and oscean under MIT. Neither carries a licence fee.
What is the difference between OpenViking and oscean?
OpenViking is written in Python and oscean in HTML. 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 oscean?
Choose OpenViking if you want the larger community (41,324 stars) or its AGPL-3.0 licence terms. Choose oscean if its feature set, stack or MIT licence fits better. Both are self-hostable.