Activation Key For Matlab R2015A Free! https://github.com/matlab/Matlab-R2015a Free. It lets you upload Matlab Code to your device, and to build R code for it. R2015A includes API & Data Binding and API Access. It does Not have any kind of built-in Python bindings for Data Binding. Also the code is built using Open Source Python. R2015: 4.0.1 Free. It uses the latest R codebase from github, most of which is imported from the Matlab Team. R2015: 4.0.2 Free R 2015, especially MVC code from PyPi comes with this module. If you want to upgrade to R2015 you must download and install Python 5 of the latest PyPI SDK from PyPI. R2015: R15 GPLv3.5 Free. Simple Python bindings are available for this simple Python codebase. R15 GPLv3.5 (latest) : http://r15.hasp.org:90/r15/ R15 Beta: http://r15.hasp.org:97/r15/ (for R15 RStudio) ============ Some more general terms and information: C, C++ and Java: all free, all open source. Many of their C APIs come bundled with Matlab programming language. They will still need them, from now on you can download them from Matlab here: http://packages.matlab.org/tools/open-source