
Telegram
Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free. It is like SMS, but more powerful. .
pttdroid is a Push To Talk VoIP app which can be used in Wi-Fi networks. You can talk with everyone on the network (broadcast) or only with some of them (multicast) ......
pttdroid is a Push To Talk VoIP app which can be used in WiFi networks. You can talk with everyone on the network (broadcast) or only with some of them (multicast) ... or you can talk only with one (unicast)
Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free. It is like SMS, but more powerful. .
Free Mac OS X Windows Linux Android iPhone Web Blackberry Mac Windows Mobile
LINE is a Japanese proprietary application for instant messaging on smartphones and PCs. Line users exchange text messages, graphics, video and audio media, make free VoIP calls, and hold free audio or video conferences.
Freemium Mac OS X Windows Android iPhone Android Tablet Web Blackberry Windows Phone