The best open source alternative to TheBrain is Freeplane. If that doesn't suit you, our users have ranked more than 100 alternatives to TheBrain and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to TheBrain are FreeMind, Turtl, quiver diagram editor and Heynote.
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.
Freeplane is the most popular Open Source alternative to TheBrain.
Free and open source, Java-based mind-mapping app for the desktop featuring a hierarchical editor that emphasizes folding.
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.
Turtl is the most popular Self-Hosted alternative to TheBrain.
Efficient web-based tool for constructing high-quality commutative diagrams. Offers LaTeX export with embedded links, intuitive interface supporting both mouse and keyboard inputs, and features like multiple selections, macro support, and smart label alignment.
Heynote is a dedicated scratchpad for developers. It functions as a large persistent text buffer where you can write down anything you like. Works great for that Slack message you don't want to accidentally send, a JSON response from an API you're working with, notes...
Visual Understanding Environment (VUE) is a mind-mapping and concept-mapping tool. It is also a non-linear presentation program.
VYM (View Your Mind) is a tool to generate and manipulate maps which show your thoughts. Such maps can help you to improve your creativity and effectivity. You can use them for time management, to organize tasks, to get an overview over complex contexts, to sort your ideas etc.
TiddlyMap is a TiddlyWiki plugin that turns your favourite personal note taking software in a wiki-concept-map hybrid! Yes, you will be able to do both: drawing maps and putting down knowledge in a wiki way.
MindForger is a modern, free, open-source, privacy-focused and performance-driven Markdown IDE for creating, editing, and managing all types of notes.
Privacy oriented, without vendor lock in note organizer, todo list desktop application. Work offline with text, markdown and pdf files.
Offline-first, self-hostable note app supporting rich text formatting, tag-based organization, customizable backgrounds, pinning, search, archiving, admin management, trash recovery, mobile and web access, sync, privacy safeguards, and dark or light themes.
Group, organize and share links from around the web with WebCrate. It's more than just a bookmarking tool.
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