productboard - Beautiful and powerful product management.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
Aha - Aha! is the new way to create visual product roadmaps. Web-based product management tools and roadmapping software for agile product managers.
GNU Octave - GNU Octave is a programming language for scientific computing.
ProdPad - ProdPad helps your team gather ideas, surface the best ones and turn them into product specs, and then put it all on a product roadmap.
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.