head to head · open source
OpenViking vs gramax
OpenViking has 41,383 GitHub stars, 3,362 forks, 999 open issues and last shipped yesterday. gramax has 618 stars, 28 forks, 279 open issues and last shipped 28 days ago. OpenViking leads on adoption by 6,596% (41,383 vs 618 stars). OpenViking is written in Python under AGPL-3.0; gramax is written in TypeScript under GPL-3.0. OpenViking has attracted 8% as many forks as stars, gramax 5%. 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 | gramax | |
|---|---|---|
| GitHub stars | ★ 41K | ★ 618 |
| License | AGPL-3.0 | GPL-3.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-10-06 |
| Forks | ⑂ 3.4K | ⑂ 28 |
| 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 gramax if
- You want the gramax feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and gramax 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 gramax
Gramax is a free, open source application for creating, editing, and publishing docs as code. It stores all data locally in Markdown format, offering flexibility and offline access, and seamlessly integrates with Git for version control and collaboration. Whether you need a product documentation portal, an internal knowledge base, project documentation, or personal notes, Gramax is a versatile solution. Looking for an alternative to GitBook, Mintlify, or typical Static Site Generators (SSGs)? Gramax provides a powerful, Markdown based approach that combines an intuitive visual editor with robust Git integration…
read the full gramax overview →
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Frequently asked questions
Is OpenViking or gramax more popular?
OpenViking has 41,383 GitHub stars and gramax has 618. OpenViking has the larger community by that measure.
Are OpenViking and gramax free?
Both are open source. OpenViking is licensed under AGPL-3.0 and gramax under GPL-3.0. Neither carries a licence fee.
What is the difference between OpenViking and gramax?
OpenViking is written in Python and gramax 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 gramax?
Choose OpenViking if you want the larger community (41,383 stars) or its AGPL-3.0 licence terms. Choose gramax if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.