The best open source alternative to Freeplane is FreeMind. If that doesn't suit you, our users have ranked more than 50 alternatives to Freeplane and 18 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Freeplane are TreeSheets, PlantUML, quiver diagram editor and vym.
Free and open source, Java-based mind-mapping app for the desktop featuring a hierarchical editor that emphasizes folding.
FreeMind have trouble to open older .mm files
Freeplan offers way more options than Freemind.
Most users think FreeMind is a great Freeplane alternative.
A "hierarchical spreadsheet" that is a great replacement for spreadsheets, mind mappers, outliners, PIMs, text editors and small databases.
PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams. The generator can be run anywhere within JVM and integrated with various application such as wiki, text editor, IDE, programming language, documentation generator, and others.
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.
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.
What is Minder? Minder is a mind-mapping application with many features that make it ideal for capturing, organizing and visualizing your ideas. Minder has automatic node layout features.
Heimer is a desktop application for creating mind maps and other suitable diagrams. It's written in Qt and targeted for Linux and Windows.
Creates diagrams from textual descriptions! It provides a unified API with support for BlockDiag, BPMN, Bytefield, C4 (with PlantUML), Ditaa, Erd, GraphViz, Mermaid, Nomnoml, PlantUML, SvgBob, UMLet, Vega, Vega-Lite, WaveDrom.
Mindmapping made simple: Host and create your own mindmaps. Share your mindmap sessions with your team and collaborate on mindmaps.
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It's original of the forked Application