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	1,342	4,309
Forks	56	285
Open Issues	66	48
Last Commit	Sep 24, 2026	Sep 24, 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

GitHub stars over time

Anchor1,342

OpenKnowledge

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