Apps Related to Real-time Communication

C3 is a free voice and text chat application designed for gamers, offering a lightweight and secure platform with features like in-game overlay, group chat, and HD voice calls to enhance communication during gaming sessions.

Matrix is an open network for secure, decentralized real-time communication. It provides a flexible protocol for developers to build collaborative applications like instant messaging, VoIP, and video conferencing, enabling seamless communication across different service providers.