OffBudget is a web application that you can use to keep track of your daily and monthly expenses. It's functionality is basic which makes it very simple to use. You can checkout the main site at http://offbudget.heroku.com.
Here are some screenshots:
##Dashboard
##Budgets [List]
##Budgets [Editing]
##Budgets [Full View]
##Daily Expenditure
##Reports 1
##Reports 2
