Bookkeeper – A double-entry accounting system for Rails.
Inspired by a blog post written by James Urquhart.
Other than the dependencies listed in bookkeeper.gemspec, you will need:
Without support for PayPal MassPay IPNs
+./script/plugin install git://github.com/Shopify/active_merchant.git+
With support for PayPal MassPay IPNs
+./script/plugin install git://github.com/steveluscher/active_merchant.git+
Bookkeeper is released under the MIT license.