#Timer App by Dustin Zeisler
You can demo the app here
I have created a timer app in Ruby on rails, which is my first real rails app. The app is a one page app is use the best in place gem to edit the timer once its is created. To select the date and time I am using the jQuery UI Date & Time picker ui. For the count down I am using a jQuery plugin from Keith Wood that will auto update if the date/time is changed.