Freeplane - Freeplane is a powerful and free software for building mind maps.

Wisdomap - 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.

Linked Ideas - A macOS/iOS apps to treat ideas as links of concepts.

Minzel - Minzel is a beautiful and free mindmapping tool built for creatives and gives you the power to...

SuperNotecard - Introducing SuperNotecard. SuperNotecard is an online writing tool that features virtual notecards to help arrange facts or scenes, track details, organize paragraphs, and clarify your composition process.

MyDraw - MyDraw is a powerful yet easy to use software for creating diagrams.