Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Team Win Recovery Project (TWRP) - Custom recovery used for installing custom software on your device.
Drift - A messaging app that helps you grow your business.
Heimdall - Heimdall is a cross-platform open-source tool suite used to flash firmware (aka ROMs) onto Samsung...
C++ - Has imperative, object-oriented and generic programming features, while also providing the facilities for low level memory manipulation
OrangeFox recovery - OrangeFox Recovery is one of the most popular custom recoveries. With amazing additional features, fixes and bunch of supported devices