memos vs OpenKnowledge

Comparing two open source alternatives to Obsidian and Notion . Use the comparison below to decide which one fits your needs.

memos

MIT

A modern, open-source, self-hosted knowledge management and note-taking platform designed for privacy-conscious users and organizations.

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OpenKnowledge

GPL-3.0

AI-native, local-first markdown editor and LLM wiki with built-in integrations for Claude, Codex, and other agents.

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Side-by-side comparison

	memos	OpenKnowledge
License	MIT	GPL-3.0
Self-hostable	Yes	Yes
GitHub Stars	61,061	530
Forks	4,497	15
Open Issues	17	1
Last Commit	Jun 26, 2026	Jun 26, 2026
First Released	Dec 8, 2021	Jun 3, 2026
Categories	Note Taking & Knowledge Management Tools	Note Taking & Knowledge Management Tools
Tags	#markdown #memo #note taking #microblog	#markdown #notes #ai #second-brain #agents

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