What are the best open source alternatives to Affine?

The top open source alternatives to Affine include AppFlowy. These tools offer similar functionality while being free and open source.

Why choose an open source alternative to Affine?

Open source alternatives provide transparency, community support, no vendor lock-in, and often cost savings. You can customize the software to your needs and have full control over your data.

Are these Affine alternatives really free?

Yes, all listed alternatives are open source and free to use. You may need to pay for hosting if you self-host, but the software itself is free.

Openlane – Open-source, developer-first platform for automated compliance, risk management, and built-in Trust Center.

Learn More

Open Source Affine Alternatives

A curated collection of the 1 best open source alternatives to Affine.

The best open source alternative to Affine is AppFlowy. If that doesn't suit you, we've compiled a ranked list of other open source Affine alternatives to help you find a suitable replacement.

Affine alternatives are mainly Personal Knowledge Management (PKM) Tools but may also be Task Management Tools or Collaborative Notes & Wikis. Browse these if you want a narrower list of alternatives or looking for a specific functionality of Affine.

Written by Piotr Kulpinski

Last updated: May 11, 2026

Affine

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

Visit Affine

AppFlowy is a versatile, open-source productivity tool that combines the best features of note-taking apps and project management software. It provides a flexible workspace where you can organize your thoughts, tasks, and projects with ease.

Key benefits of AppFlowy include:

Customizable workspace: Tailor your digital environment to fit your unique workflow and preferences.
Rich text editing: Create beautiful, formatted notes with support for Markdown and various media types.
Powerful databases: Organize and visualize your data with customizable views, including tables, boards, and calendars.
Task management: Keep track of your to-dos and projects with built-in task lists and Kanban boards.
Open-source and privacy-focused: Your data remains under your control, with the option for self-hosting.
Cross-platform compatibility: Access your workspace on Windows, macOS, Linux, and mobile devices.
Regular updates: Benefit from continuous improvements and new features driven by an active community.
Extensibility: Enhance functionality with plugins and integrations.

AppFlowy combines the flexibility of a note-taking app with the structure of a project management tool, allowing you to capture ideas, plan projects, and organize information all in one place. Whether you're a student, professional, or creative, AppFlowy adapts to your needs, helping you stay organized and productive.