Affine
There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable and ready to use.
Why it is included
AFFiNE is an open-source, privacy-focused workspace that combines docs, whiteboards, and databases. A free Notion & Miro alternative for individuals and teams.
Best for
Users exploring vetted FOSS alternatives in this space (knowledge base).
Target users
Developers, teams, and individuals evaluating open tools in this category — refine in CMS for specificity.
Strengths
- ~66,927 GitHub stars (per upstream list)
- Open source
Limitations
- Verify license, platform support, and security posture for your environment.
Good alternatives
Related tools
Notes & Knowledge
MarkEdit
Just like TextEdit on Mac but dedicated to Markdown.
Notes & Knowledge
FSNotes
Notes manager for macOS/iOS
Notes & Knowledge
Saber
The cross-platform open-source app built for handwriting
Notes & Knowledge
MindForger
Thinking notebook and Markdown editor.
Notes & Knowledge
DevDocs
API Documentation Browser
Notes & Knowledge
Notes
Fast and beautiful note-taking app written in C++. Write down your thoughts.