Tedbirli.com - Online event organization and planning

Topi - Topi connects people in a random world by giving serendipity a hand.

Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.

Voxer - Turn your phone into a Walkie Talkie. Don't waste time on phone calls and voicemails.

Eventbox - Eventbox is an online platform to help people organize events, tours, activities and experiences.

NextPlane - NextPlane offers cloud-based, scalable unified communications federation service for the enterprise.