Docmost is an open-source collaborative wiki and documentation software. It is an open-source alternative to Confluence and Notion.
Cost / License
- Pay once
- Open Source
Application types
Platforms
- Self-Hosted
- Software as a Service (SaaS)
- Docker




SiYuan is described as 'Desktop Markdown Block-Reference and Bidirectional-Link note-taking application. Support fine-grained block-level reference and Markdown WYSIWYG' and is a popular Note-taking tool in the office & productivity category. There are more than 50 alternatives to SiYuan for a variety of platforms, including Mac, Windows, Linux, Web-based and iPhone apps. The best SiYuan alternative is Obsidian, which is free. Other great apps like SiYuan are Logseq, Notion, Notesnook and Zettlr.
Docmost is an open-source collaborative wiki and documentation software. It is an open-source alternative to Confluence and Notion.




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.




Dynalist is a web app that lets you break down and organize your thoughts in the format of lists.




Dendron is an open-source, local-first, markdown-based, note-taking tool built on top of VSCode. It supports all the usual features you would expect like tagging, backlinks, a graph view, split panes, and so forth.



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.

Marknote lets you create rich text notes and easily organise them into notebooks. You can personalise your notebooks by choosing an icon and accent color for each one, making it easy to distinguish between them and keep your notes at your fingertips.




Organizes documents, notes, emails, PDFs, and media using AI-powered search, tagging, and OCR. Supports offline use, syncing across macOS and iOS, encryption, web clipping, automation, and customizable grouping for efficient information management.




As easy to use as a word document or bulleted list, and as powerful for finding, collecting, and connecting related ideas as a graph database. Collaborate with others in real time, or store all your data locally.

acreom is an actionable personal knowledge base for developers. It helps developers ship faster by centralizing personal and team context in one place.




TiddlyRoam is your open source external brain. TiddlyRoam allows you to quickly create your own wiki. You can add fragments of thoughts and findings whenever they come to you. TiddlyRoam will link them and help you spot the patterns.





Heptabase is a 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.



