One-stop destination for defining you actionswhen specific Rails instrumentations occur

Add drafts to ActiveRecord models.

KeyboardJS, typed up for the Rails 3.0 and up. Sweet!

Keymaster.js, bundled for Rails 3.0 and up.

KeyValue based replacement for rails TaggedLogging

jQuery File Upload by Sebastian Tschan integrated for Rails 3.1 Asset Pipeline, forked by imkmf

KickoffRails is a collection of Rails generators for faster project setup.

Allows you to use .liquid templates in your views & ViewComponents.

Provides a Rails form builder to seamlessly setup a Knockout-js based view model on your forms.

Web Notification Gem

Kraken framework from Chris Ferdinandi for Rails 3.1+

Create starter applications for Rails, Ruby, and various javascript frameworks.

Extensions for Rails I18n

Ladda. Rails. Assetpipeline. Gem. Maintained.

Ruby / Rails client gem for the Lanalytics Service as found on: git@dev.xikolo.de:xikolo/lanalytics.git

Lantern Rails Client

I like the Lato font. I like the asset pipeline. If you do too, you're welcome.

Implementing LazyLoad ( https://github.com/vvo/lazyload/ ) for Ruby on Rails

Implementing LazyLoad ( http://github.com/fasterize/lazyload ) for Ruby on Rails

Lazy developers will rule the world.