The best Mind Mapping alternative to Theory Maker is PlantUML, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Theory Maker and four of them are Mind Mapping Tools so hopefully you can find a suitable replacement. Other interesting Mind Mapping Tool alternatives to Theory Maker are Gephi, OmniGraffle and Ideament.
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.
Gephi is the leading visualization and exploration software for all kinds of graphs and networks. Gephi is open-source and free.
OmniGraffle can help you make eye-popping graphic documents—quickly—by providing powerful styling tools, keeping lines connected to shapes even when they’re moved, and magically organizing diagrams with just one click.
Lets you easily draw a diagram - mind map, concept map, or flow chart - and convert it to a text outline, and vice versa.
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