Warbler is a gem to make a Java jar or war file out of any Ruby, Rails, or Rack application. Warbler provides a minimal, flexible, Ruby-like way to bundle up all of your application files for deployment to a Java environment.

Base classes to write plugins.

Data mining and machine learning algorithms for JRuby

Ease your Clojure integration into JRuby, and vice versa. Include this gem, and follow a few simple rules to enjoy the best of both worlds!

Integrate Activiti BPM in JRuby/Rails, including Activiti Engine, Modeler and Diagram Viewer. https://github.com/richfisher/jruby_activiti

Kill Bill payment plugin for Paypal Express Checkout.

JRuby wrapper for Hystrix

TorqueBox Next Generation

TorqueBox Next Generation

TorqueBox Next Generation

Data mining and machine learning algorithms for JRuby

JBundler support for Capistrano 3.x

an ebics client using org.kopi.ebics java lib

jasper reports for rails

Kill Bill payment plugin for Bitpay.

Kill Bill payment plugin for BraintreeBlue.

Kill Bill Plugin to illustrate the use of the Catalog Plugin api.

Kill Bill notification plugin for ChartMogul.

Currency Plugin based on a static currency table.

Mock plugin used for integration tests.