EventBrite Online RSVP - EventBrite Online RSVP is a cost-effective event management software that provides services to help businesses organize, invite people together for an event, and sell tickets.
Punchbowl - A party planning and greeting card website
Magnet Event Pro - Magnet Event Pro provides tools that help you easily create a small or a large-scale event completely on your own terms.
RSVPify - A powerful and awesomely customizable platform for selling tickets online for your event.
EventCreate Online RSVP - EventCreate Online RSVP is a tool for collecting RSVPs online.
Whoozin.com - Free RSVP Online | Track RSVP’s and Sell Tickets for your events and recurring meetings.