The application is a push-to-talk (PTT) walkie-talkie for consumers and business and available for Android, iOS, Blackberry, Windows Phone, Windows PC, rugged mobile devices and two-way radios.
Free Personal
Windows
Android
iPhone
Blackberry
Windows Phone
Windows Mobile
zello (formerly loudtalks) the fastest way to communicate online. don't type or call — just push f7 and speak! reply, when convenient, talk to all people in a group at once or anyone individually, replay the entire conversation later from voice history. it works on blackberry, iphone, android and windows mobile devices too.
zello features:
realtime streaming, high quality voice contacts availability and text status public and private channels for up to 300 users option to map hardware ptt button bluetooth headset support (selected phones) voice history call alert push notifications
Wire is a secure and private messenger for phones, tablets and desktop. Crystal clear voice and video calls, private group chats, file sharing, audio and video messages - everything is end-to-end encrypted.
FreeOpen SourceMac OS XWindowsLinuxAndroidiPhoneAndroid TabletiPadWeb
Google Allo is a smart messaging app that helps you say more and do more. Express yourself better with stickers, Smart Reply, and HUGE emojis & text. Allo brings you the Google Assistant.
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