Create a beautiful Event website, send your online invitations, track your guests responses. It takes 5 mins to setup, and costs $25 only!
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
RSVPify - A powerful and awesomely customizable platform for selling tickets online for your event.
Facebook Local - Discover places to go and events happening near you
Guestboard - Lead powerfully-organized group events with Guestboard – a modular event platform that gives groups of 10-1000+ people a central space to coordinate, build excitement, and save money. No more crazy email threads. No more massive group texts.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
RSVP Keeper - Online RSVP's made easy