Mumble (client) 1.5.939
Low-latency and high quality voice chat primarily intended for use while gaming.
Mumble VoIP software
DlSoftware247 lists 2 Windows programs by Mumble VoIP, mostly Chat & IM software. The most popular are Mumble (client), Mumble Server.
Mumble Server 1.5.915
Mumble server for Mumble client.