1
Telegram Messenger
2
Messenger Web for WhatsApp
3
Discord – Talk, Play, Hang Out
4
Messenger for WhatsApp Web
5
Facebook
6
Messenger
TeamSpeak 3
Threema. The Secure Messenger
G-Whizz! Plus for Google Apps - The #1 Apps Browser
ChatMate for WhatsApp
Free Tone - Calling & Texting
IM+ Pro Social Aggregator