#1
Open-source, privacy-focused collaborative workspace for notes, databases, kanban boards and AI-assisted writing; desktop, mobile and web clients with local-first storage.
76k stars5.9k forksAGPL-3.0last commit Actively maintained
20 self-hosted Notion alternatives
Notion is a cloud workspace for creating and organizing notes, documents, databases, wikis and lightweight project workflows. It offers shared pages, customizable databases, templates, integrations and built-in AI features for team knowledge and task management.
Alternatives to Notion
#2
All-in-one, privacy-focused workspace that merges docs, whiteboards and databases with real-time collaboration and multimodal AI assistance.
71.9k stars5.2k forkslast commit Actively maintained
#3
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.
62.6k stars4.7k forksMITlast commit Actively maintained
#4
Open-source alternative to Jira/Linear for tasks, cycles, docs and analytics; offers cloud and self-hosted deployments.
58.4k stars5.5k forksAGPL-3.0last commit Actively maintained
#5
Logseq is a privacy-first, open-source knowledge management app for networked notes, tasks, and collaboration using local Markdown or Org-mode graphs.
44.6k stars2.8k forksAGPL-3.0last commit Actively maintained
#6
Outline is a fast, collaborative knowledge base for teams, featuring markdown docs, real-time editing, AI-powered search, and Slack integrations.
40.3k stars3.5k forkslast commit Actively maintained
#7
A modern, extensible Node.js wiki with Markdown editing, powerful admin tools, multiple auth options, and support for popular SQL databases.
28.8k stars3.3k forksAGPL-3.0last commit Actively maintained
#8
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.
27.5k stars2.1k forksEPL-2.0last commit Actively maintained
Open source project management tool with boards, tasks, templates, and team collaboration—an alternative to Trello, Asana, and Notion.
26.4k stars2.6k forkslast commit Slowing down
#10
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.
23.9k stars2.8k forkslast commit Actively maintained
#11
Open-source Confluence/Notion alternative for team wikis and documentation with real-time editing, spaces, permissions, diagrams, and search.
21.5k stars1.5k forksAGPL-3.0last commit Actively maintained
#12
BookStack is a simple documentation and wiki platform with a WYSIWYG and optional Markdown editor, full-text search, permissions, and integrated authentication.
19k stars2.4k forksMITlast commit Actively maintained
#13
Open-source collaborative documentation and wiki platform with real-time editing, offline sync, export features and flexible self-hosting options.
16.8k stars620 forksMITlast commit Actively maintained
Collaborative note-taking, wiki, and documentation platform with real-time editing, access control, and offline support. Built with Django and React/Next.js.
16.8k stars620 forksMITlast commit Actively maintained
#15
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 Slowing down
#16
Self-hosted, real-time Kanban board built with React and Node.js; supports collaborative boards, markdown notes, SSO, and flexible notifications.
12.5k stars1.4k forkslast commit Actively maintained
#17
Grist is a modern relational spreadsheet that combines spreadsheet usability with a database-style data model, supporting Python formulas, dashboards, and integrations.
11.6k stars622 forksApache-2.0last commit Actively maintained
#18
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 Actively maintained
#19
Open-source, self-hostable project management with kanban/list views, GitHub sync, PostgreSQL backend and Docker/Helm deployment options.
8.6k stars716 forksMITlast commit Actively maintained
#20
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.
7.9k stars840 forksAGPL-3.0last commit Actively maintained
What replacing Notion actually involves
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 18 of 20 shipped a commit in the last six months. Licences in this list: AGPL-3.0, MIT, EPL-2.0, Apache-2.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Wikis & Knowledge Bases.
