MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
VCV Rack - A cross-platform modular synthesizer.
GNU Octave - GNU Octave is a programming language for scientific computing.
Pure Data - Pd (aka Pure Data) is a real-time graphical programming environment for audio, video, and graphical...
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.
miRack - Eurorack-style modular synthesizer for iOS.