Rails Rumble is an annual 48-hour web developer challenge. This site is a showcase of some of the many applications that were developed during contests past and present. Only the apps that are still online are listed.

For more news and information, please visit the blog or peep our tweets.

Looking for something specific? Use the filters to search the archive.

  • 19_medium


    Hurl makes HTTP requests. Great for testing APIs! Choose your URL, HTTP method, body, headers and view your request and the response.

    Created by defunkt, leah

  • 5_medium


    TrackClass helps you get your school work organized. From reminders to notes to assignments and grades, you'll be on top of your studies! Demo account: demo@mailinator.com password: password

    Created by tristandunn, synewaves

  • 36_medium


    LAZEROIDS! Massively multiplayer, peer-to-peer, never-ending game of asteroids. Shoot your friends! Avoid the asteroids!! Name your ship!!! But not in IE!!!!

    Created by huned, visnup, gerad

  • 56_medium


    Beer is good. People like to celebrate with beer. People like to buy buddies beer. What if buying your friend a beer were as easy as clicking a button on the bar's website, facebook, twitter, etc?

    Created by amerine, jsullivan, timo3377, timmyc

  • 66_medium


    Making men happy by making their women happy...one seemingly thoughtful gesture at a time.

    Created by studguru, bigseaadam, , joesteele

  • 51_medium


    Clients and customers love feedback. And even with all the tools we use to keep in touch with them like Basecamp or Agilezen, they still email us to ask, "What's the status of those projects again?" In moments like that, they don't need the nitty gr...

    Created by jonathanpenn, joefiorini, joshwalsh,

  • 54_medium

    Movie Night

    Movie Night is a shared movie watching experience. Invite as many people as you want to view a movie with you. Group chat and popup trivia add to the movie watching experience.

    Created by jro, msepcot, manischewitzbacon

  • Thumb_screenshot

    Airport Atlas

    Find food, shopping, restrooms, power outlets, and places to relax (i.e., take a nap on that long layover) in airports around the world -- and don't forget to sign in and add your favorite places, too.

    Created by bscofield

  • 46_medium

    White Board HQ

    WhiteboardHQ will be your headquarters to manage your personal, business and event to-do lists while managing your project priorities. With an easy to use interface you will be able to create custom views to quickly keep track of where your many proje...

    Created by rayonrails, ,

  • 48_medium


    Monitaur is instant server monitoring. Set it up in under 60 seconds. (Seriously, it's really easy.) All data is collected and displayed in REAL TIME. 2 minute video: http://vimeo.com/15942499 *** NOTE *** You can show/hide the black box by hi...

    Created by visnup, gerad, huned