Slack - A messaging app for teams who see through the Earth!
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.
Cuba - Cuba is a Ruby microframework for web development.
HeyTell - HeyTell is an "Instant Voice Messaging" system that allows users to connect in a manner...
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
NuovoTeam - NuovoTeam Push-to-Talk (PTT) App for Frontline Workforce.