head to head · open source
OpenViking vs dokka
OpenViking has 41,383 GitHub stars, 3,362 forks, 999 open issues and last shipped yesterday. dokka has 3,817 stars, 504 forks, 675 open issues and last shipped 15 days ago. OpenViking leads on adoption by 984% (41,383 vs 3,817 stars). OpenViking is written in Python under AGPL-3.0; dokka is written in Kotlin under Apache-2.0. OpenViking has attracted 8% as many forks as stars, dokka 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 | dokka | |
|---|---|---|
| GitHub stars | ★ 41K | ★ 3.8K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | Python | Kotlin |
| Last push | 2026-11-02 | 2026-10-19 |
| Forks | ⑂ 3.4K | ⑂ 504 |
| 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 dokka if
- You want the dokka feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Kotlin
- You evaluated both and dokka 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 dokka
Dokka Dokka is an API documentation engine for Kotlin. Just like Kotlin itself, Dokka supports mixed language projects. It understands Kotlin's KDoc comments and Java's Javadoc comments. Dokka can generate documentation in multiple formats, including its own modern HTML format, multiple flavors of Markdown, and Java's Javadoc HTML. Some libraries that use Dokka for their API reference documentation: kotlinx.coroutines Bitmovin Hexagon Ktor OkHttp Gradle You can run Dokka using Gradle, Maven or from the command line. It is also highly pluggable. Documentation Comprehensive documentation for Dokka is available on…
read the full dokka overview →
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Frequently asked questions
Is OpenViking or dokka more popular?
OpenViking has 41,383 GitHub stars and dokka has 3,817. OpenViking has the larger community by that measure.
Are OpenViking and dokka free?
Both are open source. OpenViking is licensed under AGPL-3.0 and dokka under Apache-2.0. Neither carries a licence fee.
What is the difference between OpenViking and dokka?
OpenViking is written in Python and dokka in Kotlin. 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 dokka?
Choose OpenViking if you want the larger community (41,383 stars) or its AGPL-3.0 licence terms. Choose dokka if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.