The Best Open-Source Alternatives to Notion
Are you looking for a free or self-hosted alternative to Notion? In 2026, avoiding expensive proprietary software subscriptions is easier than ever. The open-source community has built excellent privacy-friendly tools within the Productivity & Notes ecosystem. Currently, there are 8 active replacements available, with Joplin being one of the most prominent selections.
Quick Comparison: Notion vs. Open Source
Full comparison: Notion vs. Joplin ā| Criteria | Notion | OSS Replacements |
|---|---|---|
| Pricing model | Paid / Monthly Fees | 100% Free / Self-Hosted |
| Data Control | Third-party Servers | Full Ownership & Privacy |
| Customizability | Restricted by Vendor | Unlimited (Modify Codebase) |
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Joplin
Joplin is a free, open-source note-taking and knowledge management app that empowers individuals to organize, sync, and collaborate across multiple devices, prioritizing user data privacy. As a notable alternative to popular note-taking platforms like Notion, Joplin provides an ad-free, self-hosted, and customizable experience, ensuring users maintain full control over their digital content.
Logseq
Logseq is a note-taking and knowledge management application that utilizes graph database technology to help users organize and connect their thoughts, serving as an open-source alternative to Notion that prioritizes user data privacy and security. By providing a flexible, customizable, and decentralized platform, Logseq empowers users to maintain control over their digital estate while fostering a more intimate relationship with their knowledge and ideas.
Wiki.js
Wiki.js is a self-hosted, open-source knowledge base and wiki platform that offers a seamless, customizable experience, empowering users to create and manage content with unparalleled autonomy. As an ad-free, community-driven Notion alternative, Wiki.js prioritizes user data and security, providing a private and reliable solution for collaborative knowledge management.
docmost
"Docmost is a privacy-focused, open-source knowledge management platform that offers an Notion-like experience, empowering users to create and manage custom databases, note-taking, and task management systems without sacrificing their personal data. As a self-hosted alternative, it gives users full control over their data and eliminates the need for third-party server dependencies, ensuring maximum data security and transparency."
TiddlyWiki is a self-contained, offline-capable wiki that allows users to create and manage digital notes, to-do lists, and knowledge bases without relying on cloud services, making it an attractive, privacy-focused alternative to platforms like Notion. With its ability to run entirely within a web browser, TiddlyWiki provides a seamless user experience and unparalleled data control, perfect for individuals seeking a secure and decentralized knowledge management solution.
Athens is an open-source knowledge management platform that allows users to organize and connect information in a decentralized and privacy-friendly way, providing a Notion alternative that prioritizes data ownership and control. By leveraging blockchain and cryptography, Athens enables users to store and share knowledge securely and transparently, fostering a more trustworthy and interoperable knowledge ecosystem.
Writely is a self-hosted, open-source note-taking and collaboration platform that offers a versatile and flexible workspace for personal and team projects, providing an alternative to proprietary solutions like Notion with the added benefit of complete control over data and privacy. This project enables users to create custom workspaces, organize content, and collaborate with others without compromising sensitive information to third-party interests.
"Compiiile is a privacy-focused, open-source note-taking and collaboration platform that replaces the monolithic Notion alternative with a decentralized, modifiable, and flexible alternative. By offering a highly extensible architecture and a focus on user sovereignty, compiile empowers users to take control over their digital knowledge and workspaces without compromising on functionality or security."
Frequently Asked Questions
What is the best open source alternative to Notion?
Based on GitHub community data (including star count and fork activity), Joplin stands out as one of the most reliable open-source replacements for Notion today.
Why should I use an open-source replacement instead of Notion?
Switching to an open-source solution ensures complete data sovereignty, protects your software environment from sudden vendor price hikes, and gives you full transparent control over your tech-stack metadata.