Atomic vs LinkAce

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

Atomic

MIT

A self-hosted personal knowledge base that turns markdown notes into an AI-augmented knowledge graph with semantic search and wiki synthesis.

Visit Full details

LinkAce

GPL-3.0

Self-hosted archive and bookmark manager built with Laravel, featuring automatic archiving, monitoring for dead links, and list organization.

Visit Full details

Side-by-side comparison

	Atomic	LinkAce
License	MIT	GPL-3.0
Self-hostable	Yes	Yes
GitHub Stars	1,965	3,338
Forks	141	205
Open Issues	34	56
Last Commit	Aug 9, 2026	Sep 21, 2026
First Released	Nov 25, 2025	Aug 22, 2018
Categories	Note Taking & Knowledge Management Tools	Bookmark & Content Management Tools
Tags	#note taking #markdown #knowledge-management #LLM #local ai	#bookmark #archive #self hosted

GitHub stars over time

Atomic1,965

LinkAce

Similar open source alternatives

AppFlowy

Open source Notion alternative that brings projects, wikis, and teams together with AI while keeping you in control of your data.

Alternative to:

Notion

HelixNotes

A fast, privacy-first local markdown note-taking app built with Tauri and SvelteKit. Your notes stay as plain .md files on your device.

Alternative to:

Obsidian

Jotty

Lightweight self-hosted app for managing personal file-based notes and checklists.

Alternative to:

Notion

Outline

The fastest growing-team knowledge base — beautiful, realtime collaborative, feature packed, and markdown compatible Notion and Confluence alternative.

Alternative to:

Notion

memos

Privacy-first, self-hosted note-taking platform with markdown support, tagging, and built-in AI — a lightweight alternative to Notion and Obsidian.

Alternative to:

Obsidian

AFFiNE

Open-source knowledge base combining note-taking, whiteboard, and project planning in one workspace.

Alternative to:

Notion