- simplepay 37 Ruby gem for integration with Amazon Simple Pay
- devpay 22 A Rails plugin to help with integration as an Amazon DevPay web-hosted product.
- rubyzip 21 *Unofficial* git source for RubyZip, not accepting patches
- page_glimpse 12 A Ruby library for the PageGlimpse.com service
- hardy 8 A Thor library which easily converts an HTTP Archive (HAR) file into a siege URLs file.