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.

  • 61_medium

    Beer Checkin

    Collect and share every beer you drink.

    Created by muanis, cainanunes, gcirne, peleteiro

  • 2_medium


    Tired of lending out money and never getting it back? Want a way to remind your buddy that he owes you cash? Enter Owe Me cash! We'll record your debt, and notify your buddy as frequent as you want by either voice, text or email!

    Created by Platform45

  • 62_medium


    Choons is a service that allows people to organize their album collection through an easy-to-use interface.

    Created by hidenowt, juliogreff, rafaelmarin, rodolfo3

  • 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,

  • 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

  • 76_medium

    Go vs Go

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

    Created by ryanb, JEG2,

  • 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

  • 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

  • 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

  • 47_medium


    Where is this place? Get a picture and try to guess the place!

    Created by pellegrino, RamonPage, tapajos, viniciusteles