mind mapping and brainstorming tool.
Best Tools For Visual Modeling
Browse 9 + Visual Modeling Tools
Xmind
Mindomo
Mind Mapping for thinking organization or structuring
draw.io
Diagram creation for modeling systems
d3
Bring data to life with SVG, Canvas and HTML. đđđ
graphviz
Open source graph visualization software
Yed Graph Editor
High-quality diagrams made easy
Dia Diagram Editor
Free drawing software for Windows, Mac OS X, and Linux
Bizagi Modeler
Diagram creation for modeling systems
Web Sequence Diagrams
Diagram creation