Is XMPP server free? XMPP (also known as Jabber) is an open and free alternative to commercial messaging and chat providers.
Is XMPP a TCP or UDP? The original and “native” transport protocol for XMPP is Transmission Control Protocol (TCP), using open-ended XML streams over long-lived TCP connections. As an alternative to the TCP transport, the XMPP community has also developed an HTTP transport for web clients as well as users behind restricted firewalls.
Do people still use XMPP? Google Hangouts actually still has XMPP under the hood in places, but similar rules apply. The interesting question is where you need something more. Maybe your contacts all want to run their own server.
Is XMPP secure? Xabber for Android is a secure, decentralized, and open-source Jabber/XMPP multi-client IM app . On installation, Xabber places the application’s path in the main folder “/data/data/com.