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.

  • 23_medium


    hi.im is a social profile that you can use to introduce yourself to the web. Use it on business cards, profiles, email signatures, etc. Your hi.im page will have the top items from your social networks like Twitter, digg, Facebook, Flickr, etc and pe...

    Created by jonathant, andresmax, jfgomez86, bbto

  • 3_medium

    Meet In Between

    The application is called MeetInBetween - an application that allows you to specify the address of multiple people and find a central meeting point for dinner, coffee, drinks, wifi and more.

    Created by Joe Fiorini, Josh Walsh, Andrew Kavanaugh, wavethenavel

  • 1_medium

    Tasty Planner

    Create, plan and share recipes, menus, grocery lists and more. Browse, create, and share delicious recipes. Add them to your personal Recipe Box.

    Created by Josh Owens, Chris Saylor, Bruno Miranda, Kevin Burg

  • 4_medium


    Qflip uses the NetFlix API to give Internet users the chance to vote on the next movie from your NetFlix Q. NetFlix users opt-in with the service and can then present users with 5 of their top 25 recommended movies (using the NetFlix recommendation eng...

    Created by reagent, schlueter, rares

  • 8_medium


    Imagine you're a kayaker and you're planning a 2-week trip on an epic backcountry river like the Salmon River in Idaho, but you've never been there before. Where do you go to find out how to run the difficult rapids? Where the good campsites are? What...

    Created by ADLongwell, ctenbrink

  • 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,