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Open Knowledge

Open Knowledge is a free, open-source notes and writing app for Windows, macOS and Linux. Beautiful, AI-native markdown IDE and LLM wiki. It has 4,721 GitHub stars and is released under the GPL-3.0 license. Its source code is on GitHub at inkeep/open-knowledge.

github.com/inkeep/open-knowledge (opens in a new tab)

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About Open Knowledge

OpenKnowledge is a beautiful markdown editor with integrations with Claude, Codex, and other harnesses. For knowledge bases, LLM wikis, specs, and notes. Private, local, and free.

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FAQ

Open Knowledge FAQ

Still curious? Email info@appsgit.com.

Is Open Knowledge free and open source?

Yes. Open Knowledge's source code is public on GitHub under the GPL-3.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.

How do I install Open Knowledge?

Download the installer for Windows, macOS and Linux from its GitHub Releases page (latest: v0.88.8) or the project website.

Is Open Knowledge still maintained?

The repository's most recent commit was on Oct 28, 2026. appsgit only lists apps whose repository had a commit in the last six months.