Best Open Source Notion Alternatives

An open-source alternative to Notion, offering powerful note-taking, task management, and database features in a customizable interface.

All-in-one workspace for note-taking, whiteboarding, and task management with real-time collaboration and local-first architecture.

A self-hosted, open-source solution for secure and efficient note-taking, allowing you to easily capture and share your thoughts.

SiYuan is a personal knowledge management system that prioritizes privacy, supports Markdown, and offers block-level referencing and bidirectional linking.

A privacy-first, open-source platform for networked thought. Organize, connect, and discover your ideas with ease.

Secure, fast, and beautiful wiki platform that scales with your team, integrating seamlessly with your existing tools.

An open-source platform that combines project management, team communication, document collaboration, and virtual office spaces in one integrated solution.

A feature-rich wiki platform with real-time collaboration, rich-text editing, advanced permissions, and support for diagrams, translations, and file management.

Transform document collaboration with real-time editing, version control, and secure sharing features that enhance team productivity and communication.

End-to-end encrypted note-taking app with cross-platform sync, rich text editing, and offline support for ultimate privacy and productivity.

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.

A versatile, open-source tool for organizing thoughts, notes, and data with customizable objects and relational structures.

Open-source collaboration platform combining real-time chat, document editing, file sharing, and project management. Self-host for complete control.

Ryot is a versatile platform for effortlessly tracking media, fitness, and more, replacing manual methods like spreadsheets.

XWiki is a flexible, feature-rich wiki software that helps organizations structure and share knowledge efficiently.

A local-first note-taking application that prioritizes privacy and efficiency, featuring Markdown support, offline access, and powerful organization tools.

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 versatile project management platform that combines task organization, team collaboration, and workflow automation in one intuitive interface.

Justnote is a secure note-taking app that lets you easily create and sync notes across devices while maintaining full control of your data.