20 self-hosted Notion alternatives

Open-source, privacy-focused collaborative workspace for notes, databases, kanban boards and AI-assisted writing; desktop, mobile and web clients with local-first storage.

74.4k stars5.7k forksAGPL-3.0last commit 26 Jun 2026Actively maintained

All-in-one, privacy-focused workspace that merges docs, whiteboards and databases with real-time collaboration and multimodal AI assistance.

70.9k stars5.1k forkslast commit 28 Jul 2026Actively maintained

Memos is a lightweight, privacy-first self-hosted note-taking service with Markdown, fast search, and sharing features for personal notes, wikis, and team knowledge.

61.8k stars4.6k forksMITlast commit 27 Jul 2026Actively maintained

Open-source alternative to Jira/Linear for tasks, cycles, docs and analytics; offers cloud and self-hosted deployments.

55.1k stars5.1k forksAGPL-3.0last commit 21 Jul 2026Actively maintained

Logseq is a privacy-first, open-source knowledge management app for networked notes, tasks, and collaboration using local Markdown or Org-mode graphs.

44.1k stars2.7k forksAGPL-3.0last commit 24 Jul 2026Actively maintained

Outline is a fast, collaborative knowledge base for teams, featuring markdown docs, real-time editing, AI-powered search, and Slack integrations.

39.9k stars3.5k forkslast commit 28 Jul 2026Actively maintained

A modern, extensible Node.js wiki with Markdown editing, powerful admin tools, multiple auth options, and support for popular SQL databases.

28.7k stars3.3k forksAGPL-3.0last commit 1 May 2026Actively maintained

Huly is an open-source all-in-one platform combining project management, team chat, and collaborative documentation as an alternative to tools like Jira, Linear, Slack, and Notion.

27.1k stars2.1k forksEPL-2.0last commit 27 Jul 2026Actively maintained

Open source project management tool with boards, tasks, templates, and team collaboration—an alternative to Trello, Asana, and Notion.

26.3k stars2.6k forkslast commit 11 Jun 2025Slowing down

Open-source, self-hosted no-code/low-code platform to build internal tools and business applications with a data-model approach, workflows, permissions, and a plugin system.

23.5k stars2.8k forkslast commit 27 Jul 2026Actively maintained

Open-source Confluence/Notion alternative for team wikis and documentation with real-time editing, spaces, permissions, diagrams, and search.

21.1k stars1.5k forksAGPL-3.0last commit 21 Jul 2026Actively maintained

BookStack is a simple documentation and wiki platform with a WYSIWYG and optional Markdown editor, full-text search, permissions, and integrated authentication.

18.9k stars2.4k forksMITlast commit 23 Jul 2026Actively maintained

Open-source collaborative documentation and wiki platform with real-time editing, offline sync, export features and flexible self-hosting options.

16.7k stars610 forksMITlast commit 23 Jul 2026Actively maintained

Collaborative note-taking, wiki, and documentation platform with real-time editing, access control, and offline support. Built with Django and React/Next.js.

16.7k stars610 forksMITlast commit 23 Jul 2026Actively maintained

Git-backed wiki engine that supports multiple markup formats, an integrated editor, and features like diagrams, math rendering, citations, and RSS feeds.

14.3k stars1.6k forksMITlast commit 31 Aug 2025Slowing down

Self-hosted, real-time Kanban board built with React and Node.js; supports collaborative boards, markdown notes, SSO, and flexible notifications.

12.3k stars1.3k forkslast commit 3 Jun 2026Actively maintained

Grist is a modern relational spreadsheet that combines spreadsheet usability with a database-style data model, supporting Python formulas, dashboards, and integrations.

11.3k stars602 forksApache-2.0last commit 27 Jul 2026Actively maintained

TiddlyWiki is a self-contained, highly customizable personal wiki that runs in the browser or on Node.js, enabling notes, knowledge bases, and documentation in one file.

8.6k stars1.3k forkslast commit 24 Jul 2026Actively maintained

CryptPad is an end-to-end encrypted collaboration suite with real-time editors, file storage, and sharing, designed to keep document contents private from servers and admins.

7.8k stars836 forksAGPL-3.0last commit 26 May 2026Actively maintained

Open-source, web-based collaborative Markdown editor for real-time notes, diagrams, and slide presentations with revisions and access controls.

7.3k stars574 forksAGPL-3.0last commit 5 Jul 2026Actively maintained