Stripe sample Rails 4.2.5 project with the features:

• Guest Checkout
• One Click Checkout
• Recurring Billing : Subscribe to a plan
• Update Credit Card Expiration Date
• Process Subscription Payment Failures using Webhooks
• Add a New Credit Card
• Rake task to send email reminders to customers with credit cards about to expire.
• Rake task to test your Stripe Credentials.

has been upgraded to :

• Rails 4.2.5
• RSpec Rails 3.4
• Capybara 2.5
• stripe-ruby 1.31

Here is the link to the sample project Striped