Discord, FaceFlow, Kosmi, Tango, TeamSpeak, Mumble, ReaLiveT, Phoner Second Phone Number, Guilded, Dolby Axon, Roger Wilco, RaidCall, Videolify, Briefing, GameVox, TeamTalk, Sound Branch, Razer Comms, Meeet.at, VoiceChatter, TokBox, Curse Voice, Mohawk Voice are some alternatives to Ventrilo.