Textra SMS

Skype Insider

SkyPhone - Voice & Video Calls

Email Blue Mail - Calendar

Messages Lite - Text Messages

Conference4me

VSee Messenger

Communicator GO 7

Smart Messages

Email App for Any Mail

Talk360: International Calling

QuickClub

RingCentral

Cisco Jabber

Glide - Video Chat Messenger

Pulse SMS (Phone/Tablet/Web)

Handcent Next SMS messenger

Tawasal SuperApp