Onesheet CRM - The Simple CRM for Google Sheets
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
HubSpot - Grow Better With HubSpot: Software that's powerful, not overpowering. Seamlessly connect your data, teams, and customers on one CRM platform that grows with your business.
EventMobi - EventMobi is an interactive mobile event app, audience response and engagement platform for conferences and trade shows.
GetStream.io - APIs for the development of scalable newsfeeds and chat applications.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets