MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
Team Win Recovery Project (TWRP) - Custom recovery used for installing custom software on your device.
C++ - Has imperative, object-oriented and generic programming features, while also providing the facilities for low level memory manipulation
Heimdall - Heimdall is a cross-platform open-source tool suite used to flash firmware (aka ROMs) onto Samsung...
D (Programming Language) - D is a language with C-like syntax and static typing.
OrangeFox recovery - OrangeFox Recovery is one of the most popular custom recoveries. With amazing additional features, fixes and bunch of supported devices