A curated collection of the 19 best open source alternatives to Notion.
The best open source alternative to Notion is Affine. If that does not suit you, we have compiled a ranked list of other open source Notion alternatives to help you find a suitable replacement.
Notion alternatives are mainly Collaborative Notes & Wikis. Browse these if you want a narrower list of alternatives or are looking for a specific functionality of Notion.
An open-source, local-first knowledge base that merges structured docs, infinite whiteboards, databases, and AI into a single workspace for teams and
An open-source, local-first knowledge base that merges structured docs, in...
Open source collaborative workspace combining notes, databases, and AI with full data ownership, offline support, and self-hosting options.
Open source collaborative workspace combining notes, databases, and AI wit...
Memos is a self-hosted, open-source note-taking app built around a private timeline. Write in Markdown, skip the folder setup, and keep your data on y
Memos is a self-hosted, open-source note-taking app built around a private...
Personal knowledge management system with WYSIWYG block editing, bidirectional links, spaced repetition flashcards, a relational database, and end-to-
Personal knowledge management system with WYSIWYG block editing, bidirecti...
Local-first, open-source knowledge management tool with bidirectional linking, outlines, flashcards, PDF annotations, and whiteboards for building a c
Local-first, open-source knowledge management tool with bidirectional link...
Team knowledge base with real-time collaboration, AI-powered search, Slack integration, and self-hosting support for internal docs and wikis.
Team knowledge base with real-time collaboration, AI-powered search, Slack...
Combines project management, team chat, virtual office, and collaborative docs into a single platform. A self-hostable alternative to Linear, Jira, Sl
Combines project management, team chat, virtual office, and collaborative ...
Self-hosted wiki platform for enterprise teams with real-time collaboration, built-in AI, SSO, RBAC permissions, and compliance support for ITAR, FedR
Self-hosted wiki platform for enterprise teams with real-time collaboratio...
Transform document collaboration with real-time editing, version control, and secure sharing features that enhance team productivity and communication
Transform document collaboration with real-time editing, version control, ...
End-to-end encrypted note-taking app with zero-knowledge architecture, cross-device sync, web clipper, and a self-hostable sync server.
End-to-end encrypted note-taking app with zero-knowledge architecture, cro...
The next generation of open-source AI-powered card notes designed to help you quickly capture and organize inspiration so that ideas never run out.
The next generation of open-source AI-powered card notes designed to help ...
A local-first, encrypted workspace for notes, tasks, databases, and chats. Your data stays on your device, syncs peer-to-peer, and never passes throug
A local-first, encrypted workspace for notes, tasks, databases, and chats....
Open-source collaboration platform combining real-time chat, document editing, file sharing, and project management. Self-host for complete control.
Open-source collaboration platform combining real-time chat, document edit...
Ryot is a versatile platform for effortlessly tracking media, fitness, and more, replacing manual methods like spreadsheets.
Ryot is a versatile platform for effortlessly tracking media, fitness, and...
XWiki is a flexible, feature-rich wiki software that helps organizations structure and share knowledge efficiently.
XWiki is a flexible, feature-rich wiki software that helps organizations s...
A privacy-focused, offline-first note-taking app that stores everything on your device, with Markdown, note linking, file attachments, LaTeX math, and
A privacy-focused, offline-first note-taking app that stores everything on...
A customizable, offline-first note editor that lets you format text, create lists, add images, and export to HTML - all while maintaining your privacy
A customizable, offline-first note editor that lets you format text, creat...
Justnote is a secure note-taking app that lets you easily create and sync notes across devices while maintaining full control of your data.
Justnote is a secure note-taking app that lets you easily create and sync ...
A versatile project management platform that combines task organization, team collaboration, and workflow automation in one intuitive interface.
A versatile project management platform that combines task organization, t...
