CMS for Rails. For Reals.

Calagator is an open source community calendaring platform

Multimedia story telling for the web.

Serve is a small Rack-based web server that makes it easy to serve ERB or HAML from any directory. Serve is an ideal tool for building HTML prototypes of Rails applications. Serve can also handle SASS, Textile, and Markdown if the appropriate gems are installed.

Bootstrap CSS (with Sass flavour) and JS toolkits for Rails 3 projects

Foundation on Sass/Compass

Package your assets for Sinatra.

Phrasing!

Web-based Redis browser that can work as standalone app or mounted Rails engine.

This is a gem for the rstacruz' nprogress implementation. It's based on version nprogress 0.2.0.

Simple pub/sub messaging for the web

SortableTree provides sorting of lists and hierarchies from ActiveAdmin index views.

A Sass library for building immutable and namespaced BEM-style CSS objects

Add a blog to your Rails application in minutes with this mountable Rails Engine

HTTP dashboard for the distributed event system Riemann.

An asset pipeline implementation for Sinatra based on Sprockets with support for SASS, CoffeeScript and ERB.

Allows use of globs in Sass @import directives.

An easy extension for Paperclip to crop your image uploads using jCrop

Ramaze is a simple and modular web framework

css3 animations plugin for compass, with core animation mixins, and optional defaul animations from animate.css.