>XMPP is supported by a large number of clients, but running a server and getting everyone on clients with comparable featuresets is a nightmare. XMPP is, well

>XMPP is supported by a large number of clients, but running a server and getting everyone on clients with comparable featuresets is a nightmare. XMPP is, well, extensible. If things don't match in the clients then that particular feature just doesn't work. These days all the clients pretty much try to match the feature set of Conversations. That applies to the servers as well. There is a server tester for that: * https://compliance.conversations.im/ https://compliance.conversations.im/ So the tooling is pretty good these days. The great thing about XMPP is that basic messaging always works. That stuff is just too simple not to.