FMOD - FMOD Studio is an audio middleware solution and engine for games.
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
Wwise - Game audio engine, designed to give artists more control and save programmers' time.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
SoLoud - Easy to use, free, portable c/c++ audio engine for games.
WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.