Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- Flathub




Heptabase is described as 'Visual note-taking tool that helps you make sense of your learning, research, and projects. It helps you get into the flow of thinking and brings together everything you need to do better research' and is a Note-taking tool in the office & productivity category. There are more than 50 alternatives to Heptabase for a variety of platforms, including Mac, Web-based, Windows, Android and iPhone apps. The best Heptabase alternative is Obsidian, which is free. Other great apps like Heptabase are Joplin, Logseq, Anytype and Notion.




Offers limitless nested lists for outlining, instant sync on web and mobile, real-time collaboration, file and photo uploads, kanban boards, tagging, offline editing, hoisting for branch focus, content sharing, text highlighting, and Dropbox auto-backup.




Docmost is an open-source collaborative wiki and documentation software. It is an open-source alternative to Confluence and Notion.




Docmost is the most popular commercial alternative to Heptabase.
SiYuan is a desktop Markdown Block-Reference and Bidirectional-Link note-taking application. Support fine-grained block-level reference and Markdown WYSIWYG.




A collaborative note-taking, wiki, and documentation platform that scales. Built with Django and React. Open source alternative to Notion, Confluence, or Outline.




Plain text notepad with markdown support and todo list manager for Linux, Mac OS X and Windows, that works together with the notes application of ownCloud.




Reor is an AI-powered desktop note-taking app: it automatically links related ideas, answers questions on your notes and provides semantic search. Everything is stored locally and you can edit your notes with an Obsidian-like markdown editor.

A note-taking tool that gives you memory superpowers. It automatically generates flashcards from your notes and figures out the optimal time to practice each flashcard.



Capacities offers a revolutionary note-taking experience by utilizing a network-based structure for knowledge capture and organization. Users create unique entities like ideas and questions in a graph view, fostering personalized and interconnected know-how beyond traditional folders.




Secure device-synced notepad using AES-GCM-256 encryption to protect confidential data. Features include a tree-structure for note organization, historical changes tracking, and collaboration options. Supports all major platforms with cloud sync and offline access.




TheBrain helps you organize all your Web pages, contacts, documents, emails and files in a context-driven visual map.






