head to head · open source
open-knowledge vs arscontexta
open-knowledge has 4,258 GitHub stars, 281 forks, 38 open issues and last shipped yesterday. arscontexta has 3,492 stars, 226 forks, 35 open issues and last shipped 7 months ago. open-knowledge leads on adoption by 22% (4,258 vs 3,492 stars). open-knowledge is written in TypeScript under GPL-3.0; arscontexta is written in Shell under MIT. open-knowledge has attracted 7% as many forks as stars, arscontexta 6%. open-knowledge was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (knowledge-base, knowledge-management), 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
| open-knowledge | arscontexta | |
|---|---|---|
| GitHub stars | ★ 4.3K | ★ 3.5K |
| License | GPL-3.0 | MIT |
| Written in | TypeScript | Shell |
| Last push | 2026-09-19 | 2026-02-24 |
| Forks | ⑂ 281 | ⑂ 226 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick open-knowledge if
- You weight community size — 4.3K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick arscontexta if
- You want the arscontexta feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Shell
- You evaluated both and arscontexta fits your workflow better
About open-knowledge
OpenKnowledge is a markdown IDE and LLM wiki tool in the Content & Publishing / Documentation & Knowledge Base category. It is written in TypeScript, licensed under GPL 3.0, and listed on GitHub with 4214 stars, 275 forks, and 38 open issues. It is an AI native editor for knowledge bases, LLM wikis, specs, and notes, and it is described as private, local, and free.
read the full open-knowledge overview →
About arscontexta
Ars Contexta is an MIT licensed Claude Code plugin that turns a short conversation about how you think and work into a complete, individualized second brain made of plain markdown files you own.
read the full arscontexta overview →
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Frequently asked questions
Is open-knowledge or arscontexta more popular?
open-knowledge has 4,258 GitHub stars and arscontexta has 3,492. open-knowledge has the larger community by that measure.
Are open-knowledge and arscontexta free?
Both are open source. open-knowledge is licensed under GPL-3.0 and arscontexta under MIT. Neither carries a licence fee.
What is the difference between open-knowledge and arscontexta?
open-knowledge is written in TypeScript and arscontexta in Shell. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, open-knowledge or arscontexta?
Choose open-knowledge if you want the larger community (4,258 stars) or its GPL-3.0 licence terms. Choose arscontexta if its feature set, stack or MIT licence fits better. Both are self-hostable.