Dia is free and open source drawing software.

EssentialPIM is a free Personal Information Manager that keeps up with the times and lets you manage appointments, tasks, notes, contacts, password entries, e…

Freeplane is a free, open source software application for creating mind maps and electronic outlines.

KeyNote-NF is a tabbed notebook with RichText editor, multi-level notes and strong encryption.

NoteLedge note-taking and management solution.

SimpleMind is a cross platform Mind Mapping tool.

Elephant is a notetaker with a classic interface.

FreeMind is a free and opensource mind mapping application written in Java.

Gingko lets you shape your ideas with lists, outlines and cards, all in the same clean interface.

Microsoft OneNote is a digital note taking and sharing app from Microsoft.

Priority Matrix is a time management software application that is supported on a number of platforms, including Microsoft Windows, Mac OS X, Android, and iOS.…

XMind is the most professional and popular mind mapping tool.