mumble info - discord - dir.xiph.org
Stream on RogueServer.com
Basically, you need to just ask wastedmemory on the discord for credentials.
It is recommended to use BUTT (broadcast using this tool) to stream on rogueserver.com
Another option is Rocket Broadcaster but I have not personally tested it.
Any Icecast compatible source client should work.
A listing of other source clients.
More info: primcast.com/support/live-calls-with-skype-and-mixxx
Do not break the law.