head to head · open source
OpenViking vs BookStack
OpenViking has 39,947 GitHub stars, 3,177 forks, 999 open issues and last shipped today. BookStack has 19,082 stars, 2,428 forks, 3 open issues and last shipped today. OpenViking leads on adoption by 109% (39,947 vs 19,082 stars). OpenViking is written in Python under AGPL-3.0; BookStack is written in PHP under MIT. OpenViking has attracted 8% as many forks as stars, BookStack 13%. 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 | BookStack | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 19K |
| License | AGPL-3.0 | MIT |
| Written in | Python | PHP |
| Last push | 2026-10-15 | 2026-10-15 |
| Forks | ⑂ 3.2K | ⑂ 2.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenViking if
- You weight community size — 40K 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 BookStack if
- You want the BookStack feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches PHP
- You evaluated both and BookStack fits your workflow better
About OpenViking
OpenViking is an open source context database for AI agents that keeps everything an agent knows — knowledge, memory, and skills — in one virtual filesystem, built for developers and teams who need to inspect and edit what their agent actually stored instead of trusting an opaque embedding index.
read the full OpenViking overview →
About BookStack
BookStack is a self hosted documentation platform written in PHP on top of the Laravel framework, released under the MIT license. It is described by its maintainers as an opinionated platform for storing and organising information and documentation, and it is distributed as an open source project whose development is now managed on Codeberg. The project has existed for roughly eleven years and carries a substantial community footprint, with more than nineteen thousand stars and over two thousand forks recorded against its repository history.
read the full BookStack overview →
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Frequently asked questions
Is OpenViking or BookStack more popular?
OpenViking has 39,947 GitHub stars and BookStack has 19,082. OpenViking has the larger community by that measure.
Are OpenViking and BookStack free?
Both are open source. OpenViking is licensed under AGPL-3.0 and BookStack under MIT. Neither carries a licence fee.
What is the difference between OpenViking and BookStack?
OpenViking is written in Python and BookStack in PHP. 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 BookStack?
Choose OpenViking if you want the larger community (39,947 stars) or its AGPL-3.0 licence terms. Choose BookStack if its feature set, stack or MIT licence fits better. Both are self-hostable.