Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Punchbowl - A party planning and greeting card website
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
BeingSo - Send free animated greeting cards, birthday invitations.
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.
RSVPify - A powerful and awesomely customizable platform for selling tickets online for your event.