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

Gitki is a wiki using git to store data.

Minimal CI server with some support for dynamic

Provides the Kalei style guide as a Rack mountable Ruby application.

Kelp is a collection of helper methods for Cucumber to ease the process of writing step definitions. It also includes a Rails generator for generic step definitions building upon those helpers.

This gem packages up Kibana 3 into a Sinatra app that can be used stand alone, or with Rails.

Kill Bill payment plugin for Paypal Express Checkout.

GitLab WebHoook for automated Chef Server uploads.

Cucumber + Capybara = Kookaburra? It made sense at the time.

Build your Kynetx applications with the IDE of your choice! Installing the krl gem will give you command line tools that provides a simple interface that is similar to git or svn.

Start/Stop/Revert and do other cool stuff w/ Vmware, Virtualbox, and ESXi vms. This gem wraps common CLI utilities and other gems to create a common inteface for vms.

A warden strategy to use Google's Federated OpenID with Google Apps

A Ruby parser and builder for the OMA protocol (a.k.a. Data Communication Standard) that was developed by the Lens Processing & Technology Division of The Vision Council for interconnection of optical laboratory equipment.

simple operational dashboard

LogicalModel allows to use a resource as a model. It is based on web presentation http://www.slideshare.net/ihower/serviceoriented-design-and-implement-with-rails3

LSST's Git LFS server

Simple job queue system based on mongodb

A suite of tools for inspecting, interfacing and working with MagLev. It consists of a number of Rack middlewares to record runtime information in the stone, an associated set of Sinatra middlewares for exposing said information through a JSON interface, and a number of Sinatra web-applications that take advantage of that interface to build a few simple browser-based development tools.

Mango is a dynamic, database-free, and open source website framework that is designed to make life easier for small teams of designers, developers, and content writers.

Helps with markdown editing