Productivity 28 Open-source free XMPP clients and messengers for Windows, macOS, Linux, Mobile, and the Web What is XAMPP? XMPP which stands for Extensible Messaging and Presence Protocol is an open-source XML technology for communication. It is the core for audio calls, video calls, online presence, Hamza Mousa 23 Mar 2022 ยท 6 min read
