Anchor vs OpenKnowledge

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

Anchor

AGPL-3.0

Offline-first, self-hostable note-taking app with rich text, tags, attachments, and cross-device sync via Docker.

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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

	Anchor	OpenKnowledge
License	AGPL-3.0	GPL-3.0
Self-hostable	Yes	Yes
GitHub Stars	1,045	530
Forks	46	15
Open Issues	38	1
Last Commit	Jun 11, 2026	Jun 26, 2026
First Released	Dec 1, 2025	Jun 3, 2026
Categories	Note Taking & Knowledge Management Tools	Note Taking & Knowledge Management Tools
Tags	#notes #self hosted #offline-first #cross-platform #docker	#markdown #notes #ai #second-brain #agents

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