Atomic vs NoteDiscovery

Comparing two open source alternatives to Notion and Evernote and Google Keep . 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

NoteDiscovery

MIT

A self-hosted knowledge base for note-taking with markdown support, Zettelkasten methodology, and Docker deployment.

Visit Full details

Side-by-side comparison

	Atomic	NoteDiscovery
License	MIT	MIT
Self-hostable	Yes	Yes
GitHub Stars	1,585	2,633
Forks	107	214
Open Issues	33	3
Last Commit	Jul 7, 2026	Jul 7, 2026
First Released	Nov 25, 2025	Nov 5, 2025
Categories	Note Taking & Knowledge Management Tools	Note Taking & Knowledge Management Tools
Tags	#note taking #markdown #knowledge-management #LLM #local ai	#knowledge-management #note taking #markdown #docker #self hosted

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

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

Alternative to:

Obsidian

AFFiNE

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

Alternative to:

Notion