Elixir - Dynamic, functional language designed for building scalable and maintainable applications
Team Win Recovery Project (TWRP) - Custom recovery used for installing custom software on your device.
Rust - A safe, concurrent, practical language
Heimdall - Heimdall is a cross-platform open-source tool suite used to flash firmware (aka ROMs) onto Samsung...
Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
OrangeFox recovery - OrangeFox Recovery is one of the most popular custom recoveries. With amazing additional features, fixes and bunch of supported devices