What payment processing frameworks, like ActiveMerchant, are available for other languages?

Question

Rails has frameworks such as ActiveMerchant and Freemium (which uses ActiveMerchant) to simplify dealing with payment processing. What other frameworks are there for other programming languages such as PHP or Python?

Answer 1

Edit For processing payments, there are several GetPaid modules available for Python. Check out the core package, as well as some extensions for different payment methods.

----------original answer------------

From a StackOverflow search: Satchmo is a Python alternative.

See that question link above for other ideas.