Send Me Color! - With Send Me Color! you can send a hint to your contacts that will look like color card.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Partey.io - Invite to parties and events. Dead simple, privacy-first. Just send a link to your friends. No accounts needed!
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
Push Party - Push Party is an exclusive, invite-only social network
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.