Best Free & Open Source Alternatives to Notion
Looking for a free or self-hosted alternative to Notion? Below you'll find the best open source options — community-driven tools that let you own your data without vendor lock-in or recurring subscription costs.
Notion is an all-in-one AI-powered workspace that combines notes, tasks, wikis, databases, and project management tools into a unified platform. It enables teams and individuals to centralize information, automate repetitive workflows, and collaborate seamlessly—from simple docs to advanced knowledge bases and live project tracking.
memos
A modern, open-source, self-hosted knowledge management and note-taking platform designed for privacy-conscious users and organizations.
Obsidian
Wiki.js
Wiki.js | A modern and powerful wiki app built on Node.js
Notion
Atomic
A self-hosted personal knowledge base that turns markdown notes into an AI-augmented knowledge graph with semantic search and wiki synthesis.
Pinboard
TriliumNext Notes
Hierarchical personal knowledge base with powerful note-taking, rich text editing, and scripting capabilities.
Notion
HedgeDoc
Real-time collaborative markdown note editor you can self-host — write together with rich formatting and seamless sharing.
Google Docs
SilverBullet
Markdown-based note-taking app with powerful live queries, templates, and a pluggable scripting system for power users.
Notion Notion
Notion is an all-in-one AI-powered workspace that combines notes, tasks, wikis, databases, and project management tools into a unified platform. It enables teams and individuals to centralize information, automate repetitive workflows, and collaborate seamlessly—from simple docs to advanced knowledge bases and live project tracking.