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.

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  • 63_medium

    Commendable Kids

    CommendableKids.com allows parents, teachers, and anyone who cares about children, to register a child and begin awarding them badges for their hard work, milestones, skill developments and anything else you believe deserves commending. Then, you can i...

    Created by bburridge, , pothoven,

  • 21_medium


    Lowdown is a collaborative tool for writing and working with Cucumber. If Cucumber lets us describe how software should behave in plain text in a business-readable domain-specific language then Lowdown is the tea party where thinly sliced sandwiches ar...

    Created by wesgarrison, seancribbs, pauld, scottymoon

  • 71_medium


    Compress those annoyingly long RSS feeds into short little stories. Currently using an open source library to handle a lot of the heavy lifting, but I plan on replacing that with algorithms of my own development when I have more than 48 hours. It wo...

    Created by jm

  • 37_medium


    get alerts (email/sms/im) when new episodes of your favorite tv shows are available

    Created by jcnetdev

  • 76_medium

    Go vs Go

    Play the board game Go online with other players or against the computer.

    Created by ryanb, JEG2,

  • 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

  • 68_medium


    Battle for foursquare locations using a browser based game. Whenever you check in you can try to take a location, if you want to keep it then you will need to deploy reinforcements whenever you are passing your location. Your war chest... War ...

    Created by jamescotterill, golov, Laffy, omgitsads

  • 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

  • 67_medium

    Awesome Fontstacks

    Awesome Fontstacks Easily create bundles of beautifully matching, free web fonts, with failsafe font stacks to back them up. Including ready-to-go CSS code!

    Created by halfbyte, alto, wowo101, theflow