Twitter Polls - Polls embedded in tweets
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Simple Poll - The easiest way to create polls in Slack
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
Polls API - Scalable, efficient API to build polls, quizzes, ratings and many more
Ticket Tailor - Ticket Tailor is an easy-to-use event ticketing platform that allows event organizers of all shapes and sizes to sell tickets online.