NuovoTeam - NuovoTeam Push-to-Talk (PTT) App for Frontline Workforce.
FluffyChat - Open. Nonprofit. Cute ?
Zello - Zello's push-to-talk app redefines the walkie talkie. It's a great push-to-talk over cellular (PoC) alternative for businesses and organizations. Learn more about the best walkie talkie app in the market.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
ProPTT2 Video Push-to-Talk - ProPTT2 Video Push-to-Talk is a live broadcasting app with Push to talk feature, which is just like Facebook live.
Molly (Signal fork) - Molly is an independent Signal fork for Android