Whereby (formerly appear.in) - Collaborate from anywhere - video meetings with no downloads
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
Around.co - Around.co is an app that provides video calls to remote teams all around the world.
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
Remote Meeting - Remote Meeting with Video, Voice, Chat and Screen Sharing
Plivo - Plivo simplifies your customer engagement.