1.processone / ejabberdRobust, Ubiquitous and Massively Scalable Messaging Platform (XMPP, MQTT, SIP Server)erlangxmppjabberchatmessagingsip+10 moreErlangOther license6.7K total1.6K forks+120 starsfrom 6,629 · score 4.80
2.erlnets / nksipErlang SIP application serverErlangAPACHE-2.0363 total129 forks+2 starsfrom 361 · score 1.10