With ActsAsTaggableOn, you can tag a single model on several contexts, such as skills, interests, and awards. It also provides other advanced functionality.

Devise integration for bbq.

Easily scope user interactions with site using bbq widgets

Quickly setup backbone.js for use with rails 3.1 and above apps. Generators are provided to quickly get started.

Build and analyse Beyond Compare (BC3) Snapshot-Files. This gem allows flexible definition of BC3-snapshots and actions like snapshot merge, snapshot search... More about Beyond compare at http://www.scootersoftware.com

A BrowserCMS module that stores attachments on Amazon S3 rather than on the filesystem.

Shorten page URLs through Bitly and save them.

Allow Markdown and Textile to be used for BrowserCMS content.

This library makes it easier to deal with Money values, storing them as BigDecimal to avoid floating-point math errors.

Small OO patern to isolate side-effects and callbacks for your ActiveRecord Models

CSV uploader library for fast and easy upload for Rails applications

A simple presenter.

The Beancounter helps us to report our events

A daemonized stopwatch with growl notifications so you don't forget.

Provide Basic Shopping Cart Function to Your Rails Project

The Browser Exploitation Framework (BeEF) is a security tool that provides practical client side attack vectors.

Beekeepeer: This gem is responsible for error logging, processing and rendering of errors in a standard JSON format..

["Out of the box you get an irc bot, but beerbot could be so much more...", ["Daniel Bush"]]

Beespew is a naive spam protection plugin for rails using a honeypot

Platform in the form of a service.