Livephone. Fring. Free messages, Free Calls. Unlimited! Now, call and send messages as much as you want! Nimbuzz Messenger combines the power of internet and smart phone messenger into one, and lets you make cheap international voice calls, send unlimited chat messages, share files on any mobile device across popular messengers. Nimbuzz Messenger is available on Android, iOS, Windows Phone, Blackberry, Symbian, Java, Windows and Mac. Viber : Free Calls & Messages. Appels vidéo et conversation vidéo Android.