Crusher is for sending invites to your events and events you go to. Crusher allows publishing of visually branded event pages in a more engaging way using photos, video, widgets, and music. Crusher is a great utility with its rsvp, maps, best date, paypal, bring list, and add to calendar features. It emphasizes a low barier to adoption by being completely free and not requiring sign-up. Crusher is built using Ruby on Rails, is banner-free and spam-free.