OpenKnowledge
OpenKnowledge is a markdown editor that lets you edit notes and wikis with Claude, Codex, and other AI tools, stored privately on your computer.
What it is good for
- Editing markdown notes and wikis in a Google Docs style editor
- Letting AI assistants edit and search your personal knowledge base
- Building an LLM wiki or second brain from your own notes
- Sharing a knowledge base with a team through git sync
At a glance
- Who it is for
- Setup
- Install a desktop app or browser extension
Level 3 of 5. Download and install it like any other app or extension.
- Cost
- Free and open source
- Type
- Agent app
- Tasks
- Works with
- Claude Code, Claude Desktop, Cursor, Codex, OpenCode, OpenClaw
Momentum
- Rank this week
- Not ranked yet
- Best rank
- None yet
- GitHub stars
- 4,760
GitHub numbers as of Nov 2, 2026. Updated weekly.
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Is OpenKnowledge free?
- Yes. It is free and open source (GPL-3.0 license).
- Do I need to know how to code to use OpenKnowledge?
- No. Download and install it like any other app or extension.
- What does OpenKnowledge work with?
- According to its own documentation, it works with Claude Code, Claude Desktop, Cursor, Codex, OpenCode, and OpenClaw.
- What is OpenKnowledge good for?
- Editing markdown notes and wikis in a Google Docs style editor, letting AI assistants edit and search your personal knowledge base, building an LLM wiki or second brain from your own notes, and sharing a knowledge base with a team through git sync.
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