Nimbuzz is a proprietary cross-platform instant messaging aggregator for smartphones, tablets and personal computers developed by Nimbuzz B.V. Nimbuzz has 150…
BlackBerry Messenger, also known as BBM is an instant messenger and videotelephony application included on BlackBerry devices that allows messaging and voice …
Zello is an application for push-to-talk (PTT) walkie-talkie for consumers and business and available for Android, iOS, Blackberry, Windows Phone, Windows PC,…
Sicher is a freeware instant messaging application for iOS, Android, and Windows Phone. Sicher allows users to exchange end-to-end encrypted text messages, me…