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.

  • 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