3D Topicscape Alternatives

Visual Understanding Environment (VUE) is a mind-mapping and concept-mapping tool.

TheBrain: The Ultimate Digital Memory

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Inspiration K-12 supports visual thinking techniques, enabling students to easily create and update...

Create and manage controlled vocabularies, than use your taxonomies to tag content. Simple knowledge organization system (SKOS) thesaurus software for your organisation.

Xmind is a brainstorming and mind mapping application.

Creative Data Manager

Personal Memory Manager helps you spin-off from the top: manage your own knowledge and ideas.

Protégé is a free, open source ontology editor and knowledge-base framework.

Open Source

VYM (View Your Mind) is a tool to generate and manipulate maps which show your thoughts.

Software for create adaptable and multilevel diagrams, concept maps, mind maps and models

Wisdomap Medicine is a study aid that helps medical students create differential diagnoses and suitable management plans from a presenting complaint and structured revision notes.

Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.

docassemble is a free, open-source expert system for guided interviews and document assembly.

Open Source