Chat with all your contacts – fast and easy
The official Facebook Messenger App
A fast and - most importantly - secure instant messenger
An official Facebook messaging client that's a whole lot lighter
Instant messaging with all of your friends
A lightweight version of Imo
Unlimited free HD video calls and voice chats
Use two telephone numbers with WhatsApp
Gain total control over WhatsApp
Free calls and texts
Alternative WhatsApp client full of unique features
A messaging app with an integrated web browser
A messaging tool that's popular in Africa
Samsung's own official MMS and SMS app
PlayStation's IM client