Viber - Free and secure calls and messages to anyone, anywhere. Keep your conversations going no matter where you are.
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
MiVoice Business - MiVoice Business is a business communication platform that delivers voice, messaging, mobility, presence, conferencing, collaboration and applications.
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
Screenleap - Screenleap is a web app that lets users share their device's screen over the Internet. These screens can be a desktop computer monitor or a smartphone screen or anything else that can load a web browser. Read more about Screenleap.
Plivo - Plivo simplifies your customer engagement.