Xmind - Xmind is a brainstorming and mind mapping application.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
GNU Octave - GNU Octave is a programming language for scientific computing.
FeatureMap - FeatureMap story mapping, simple and effective realtime collaboration and collective intelligence tool.
Wolfram Mathematica - Mathematica has characterized the cutting edge in specialized processing—and gave the chief calculation environment to a large number of pioneers, instructors, understudies, and others around the globe.