Tag - Free Messaging

Voxer Walkie-Talkie PTT

24SMS – Free...

mysms SMS Text Messaging Sync

FreePP

Talk.to – Chat for...

Talkatone Free Calls &...

Hookt Messenger

Rebtel – Free and Cheap...

Kik Messenger

Virtual Walkie Talkie

TalkBox Voice Messenger...

Zello PTT Walkie Talkie

Direct dial with Skype

IMO Messenger – Free...

Fring

WiCall – VoIP Call...

TiKL Touch Talk Walkie Talkie

Nimbuzz Messenger –...

KakaoTalk Free Calls &...

Talkatone

IM+

Skype

Facebook Messenger

WhatsApp Messenger

eBuddy XMS