Map reduce your mongo documents writing in with coffeescript.

Can compile multipl coffee and js file together, compress it ...

Generate awesome widgets dashboard for Rails with FlexBox.

A gem for visualizing a Neo database with Javascript

Provides help with developing and testing Netzke components

Dynamically loads components in persisted tabs

Websocket uploader with progressbar.

Package manager and builder based on sprockets

The Padrino asset management system allowing frictionless serving of assets

Enable capybara to wait for json ajax requests by default.

Provides engine and generators for building web games using common components

Peaberry is a clone of dotjs server(djsd) which can serve CoffeeScript(s).

Penguin is a tool for creating presentations.

Continous integration solution compatible with travis.ci

SEO Tags Management for Rails

Out-of-the-box sinatra server for web site sketching using haml + sass + coffee-script

Component based static site builder

Pinion is a Rack application that you can use to compile and serve assets (such as Javascript and CSS).

Pinkman: a new way to orchestrate javascript in Rails.

Amazing libraries for developing games. Defines the main PixieEngine GameObject and includes mixins to easily augment their behavior.