Voxer - Turn your phone into a Walkie Talkie. Don't waste time on phone calls and voicemails.
Remo - Virtual workspace for remote teams
Sameroom - Chat interoperability-as-a-service
2event.com - App for events. Tickets + Networking + Travelmates
Chromacam - Chromacam is a tool that offers virtual green screen for web conferencing and presentations.
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.