WebRTC - WebRTC is a free, open project that enables web browsers with Real-Time Communications (RTC) capabilities via simple JavaScript APIs. The WebRTC components have been optimized to best serve this purpose.
NextPlane - NextPlane offers cloud-based, scalable unified communications federation service for the enterprise.
Voxer - Turn your phone into a Walkie Talkie. Don't waste time on phone calls and voicemails.
SightCall - SightCall offers comprehensive real-time video APIs and Mobile SDKs that makes it simple to embed...
Sameroom - Chat interoperability-as-a-service
Calix - Calix is a communications equipment supplier focused on access solutions for delivery of broadband services.