NextPlane - NextPlane offers cloud-based, scalable unified communications federation service for the enterprise.
GoToWebinar - Webinar & Online Conference | GoToWebinar
Voxer - Turn your phone into a Walkie Talkie. Don't waste time on phone calls and voicemails.
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
Sameroom - Chat interoperability-as-a-service
WebEx - Cisco WebEx Web Conferencing, Online Meetings, Desktop Sharing, Video Conferencing