XMPP

XMPP (Extensible Messaging and Presence Protocol) is an open technology used for real-time communication over the internet, such as instant messaging and online presence updates. It enables different software systems to exchange messages and status information securely and efficiently, all through a standardized protocol. XMPP is flexible, supporting extensions for various functionalities, and is often used by chat services, collaborations tools, and IoT applications. Its open nature encourages interoperability between different platforms, making it a reliable choice for developers creating real-time communication services.