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




TreeTime is described as 'Lets you organize notes, tasks, and projects using linked hierarchical trees. Perform recursive calculations on your data and explore your information visually through a lightweight, view-only local web interface — all while keeping your data private and portable' and is a todo list manager in the office & productivity category. There are more than 100 alternatives to TreeTime for a variety of platforms, including Windows, Mac, Linux, Web-based and Android apps. The best TreeTime alternative is Obsidian, which is free. Other great apps like TreeTime are Joplin, ONLYOFFICE, Logseq and Anytype.
Docmost is an open-source collaborative wiki and documentation software. It is an open-source alternative to Confluence and Notion.




Cryptee is a safety and privacy focused, encrypted and cross-platform personal data storage service. You can write personal documents, notes, journals, store photos (including raw photos from DSLR cameras) and all sorts of other files.




Cloud spreadsheet app featuring real-time editing, support for Excel and CSV import/export, chart building, formula functionality, integrated chat, access controls, cloud syncing, access via web and mobile platforms, scripting, embedding, templates, and Drive integration.



SiYuan is a desktop Markdown Block-Reference and Bidirectional-Link note-taking application. Support fine-grained block-level reference and Markdown WYSIWYG.




Freeplane is a powerful and free software for building mind maps. It is a redesigned version of the well known FreeMind , and is created by one of FreeMind's key developers.




ghostwriter is a feature-rich text editor using Markdown syntax which makes it suitable for note-taking, document redaction, simple HTML website creation and much more.




Whether it's bookmarks or passwords, files or shopping lists...Turtl organizes it all and makes it easy to find later. Sync across your devices. Leave nothing behind.




Introducing Fossify Notes – your ultimate tool for effortless note-taking, organization, and planning. Simplify your life with this intuitive organizer designed to streamline your tasks and ideas effortlessly.



Free and open source, Java-based mind-mapping app for the desktop featuring a hierarchical editor that emphasizes folding.


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.




DeepNotes is an open source, end-to-end encrypted visual note-taking app with deep page navigation and live collaboration. Create mind maps, diagrams, kanban boards, among others. Infinite nesting of infinite canvases.




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



