# Open Knowledge (open-source notes and writing app)

> 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 4,418 GitHub stars and is released under the GPL-3.0 license. Its source code is on GitHub at inkeep/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.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/inkeep/open-knowledge |
| Platforms | Linux, macOS, Windows |
| Interface | desktop GUI |
| GitHub stars | 4,418 |
| License | GPL-3.0 (open source) |
| Replaces | n/a |
| Language | TypeScript |
| Website | https://openknowledge.ai |
| Official | yes (published by the project behind the app) |
| Category | Notes & writing |
| Latest release | v0.83.2 (Oct 7, 2026) |
| Last commit | Oct 8, 2026 |

## Install

Download a build for your system from the project's releases (https://github.com/inkeep/open-knowledge/releases) or website, or build it from source by following the README.

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Canonical page: https://appsgit.com/desktop-apps/open-knowledge
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