Telegram is a free cloud-based instant messaging platform.

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…

Bleep is a fun and easy instant messaging app that is completely private.

BlackBerry Messenger, also known as BBM is an instant messenger and videotelephony application included on BlackBerry devices that allows messaging and voice …

Wickr is an instant messenger application.