MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
TradingView - The best charting tool for crypto and stocks
GNU Octave - GNU Octave is a programming language for scientific computing.
eToro - The social investment network that connects traders from around the globe and enables them to share...
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.
Robinhood - Free stock trading service.