Best Open-Source Notion Alternatives on GitHub (2026)

Q: What is the best open-source notion alternatives on GitHub?

Based on the RepoRadar scoring engine, AppFlowy-IO/AppFlowy is currently the top-ranked open-source notion alternatives with 72.6k stars and a score of 91/100.

Q: When was this open-source notion alternatives list last updated?

This list was last updated on 2026-06-19. Data is sourced directly from GitHub's public API.

This list contains the top 7 open-source notion alternatives on GitHub, ranked by the RepoRadar scoring engine across five quality dimensions. The top-ranked repo is AppFlowy-IO/AppFlowy with 72.6k stars. Projects span written in Dart, TypeScript, Python, Rust. Data last updated 2026-06-19.

Updated 2026-06-19 · 7 repos · Data: GitHub public API

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Bring projects, wikis, and teams together with AI. AppFlowy is the AI collaborative workspace where you achieve more without losing control of your data. The leading open source N…

★72.6k ⑂ 5,486 ⚠ 1,033 Dart updated yesterday

blogconfluence-alternativecontent-managementcontent-services

Docmost is an open-source collaborative wiki and documentation software. It is an open-source alternative to Confluence and Notion.

★20.7k ⑂ 1,371 ⚠ 324 TypeScript updated 11 hours ago

confluencedocumentationdrawioknowledge-base

Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.

★26.2k ⑂ 2,551 ⚠ 780 TypeScript updated 1 month ago

asanacollaborationgoal-trackinggolang

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Self-organizing AI second brain for Obsidian + Claude Code. Drop any source and Claude reads, links, and files it into one connected knowledge graph of plain Markdown you own. AI …

★7.1k ⑂ 836 ⚠ 73 Python updated 22 days ago

agent-skillsai-note-takingai-second-brainclaude-code

Bring projects, wikis, and teams together with AI. AppFlowy is the AI collaborative workspace where you achieve more without losing control of your data. The leading open source N…

★1.9k ⑂ 527 ⚠ 96 Rust updated 1 month ago

Open-source and local-first Slack and Notion alternative that puts you in control of your data

★4.9k ⑂ 305 ⚠ 45 TypeScript updated 2 months ago

chatchat-applicationcrdteditor

🚀🎉📚 APITable, an API-oriented low-code platform for building collaborative apps and better than all other Airtable open-source alternatives.

★15.4k ⑂ 1,400 ⚠ 302 TypeScript updated 7 months ago

admin-dashboardairtableairtable-alternativeapi

Frequently Asked Questions

What is the best open-source notion alternatives on GitHub?

Based on the RepoRadar scoring engine, AppFlowy-IO/AppFlowy is currently the top-ranked option with 72.6k stars and a score of 91/100.

How are open-source notion alternatives repositories ranked?

Repositories are ranked by the RepoRadar score — a composite of five dimensions: Popularity (35%), Freshness (25%), Maintenance (20%), Community (10%), and Completeness (10%). Scores range from 0–100.

When was this list last updated?

This list was last updated on 2026-06-19. Data is sourced directly from GitHub's public API. No cached or fabricated repositories are used.

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