Monospace-rails is a project mainly written in ..., it's free.
A sample subscription service using Stripe for payments
Monospace is a social network for developers. It's our sample Rails application, showing how to use Stripe to charge subscribers.
Monospace uses the Stripe Javascript bindings to validate a credit card, and the Stripe Ruby bindings to create a customer and add the credit card to that customer. Customers can also update their credit card.
You can play with a live version at https://monospace-rails.heroku.com/
Installation steps: