Viber App is the most popular messenger for smartphones. Nowadays it is also possible to download it to your computer for Windows OS. You can send messages and make calls. Messenger is absolutely free.
ICQ Chat Free 10 – is a version of the popular messenger which supports various social networks and gives you an ability to send messages and SMS.
Telegram App 1.1.15 – free messenger developed by VKontakte Social Network Group.
TeamSpeak Voice Chat is used for unification of group of people in personal channels. Basically, this voice chat is used by gamers. Use it if you want to support interaction within the unit or between units.
Skype 220.127.116.11 – is a new version of the famous free program for video and audio calls over the Internet. You can download Skype App absolu
Instant Messenger MirandaIM 0.10.70 – is free online messenger that can use more than one protocol. It supports ICQ, Jabber, Facebook and others. You can download messenger for free and it does not contain advertising.
Facebook Messenger 2.0.9 – free messenger developed by Facebook Social Network.