flowchart.fun - An open-source tool for generating flowcharts from text
Inspiration - Inspiration K-12 supports visual thinking techniques, enabling students to easily create and update...
draw.io - Online diagramming application
Inspiration Database - Database of more than 147,000+ products & low-rated apps
yEd - yEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, Mac OS X, and Unix/Linux.
PMM - Personal Memory Manager - Personal Memory Manager helps you spin-off from the top: manage your own knowledge and ideas.