InTouchApp Firefox Extension - Save contacts & data from websites to your phone
Twilio - Brings voice and messaging to your web and mobile applications.
Cervino - One app for everything you do
Plivo - Plivo simplifies your customer engagement.
ArchiviCo - An easy way to store your important documents
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.