Facteur allows you add a messaging system in your Rails 3. You can create many mailboxes for your users. They will be able to send and receive messages.

A gem that helps you generate your factory files.

Enables easy table rendering in rails applications

Lightweight do it youself cms

ENV configuration for ruby using hierarchical environment yaml files

A FilePicker / PaperClip mashup. Use Filepicker for uploads and paperclip to process them.

Build filter forms easily

Extensions for Finder classes

Flattens the Active Admin interface, and allows easy customisation of your Admin backends

FlowmorRouter allows you to create 'friendly' routes easily from objects stored in the database as well as by simply placing templates into app/views/static folder.

FlyData Agent

FileMaker Data API client with ORM features. This gem is a wrapper for other gems: fmrest-core, fmrest-spyke and fmrest-rails.

courtesy - Wikipedia: Maker-checker (or Maker and Checker, or 4-Eyes) is one of the central principles of authorization in the information systems of financial organizations.The principle of maker and checker means that for each transaction, there must be at least two individuals necessary for its completion. While one individual may create a transaction, the other individual should be involved in confirmation/authorization of the same. Here the segregation of duties plays an important role. In this way, strict control is kept over system software and data, keeping in mind functional division of labor between all classes of employees.

Fuel's goal is to be a simple yet customizable blogging gem.

Asset pipeline bundling of the fullcalendar jquery plugin.

Mountable Engine to set up a Crowdfunding app

Rails-friendly prometheus base

Gakubuchi provides a simple way to manage static pages with Asset Pipeline.

View Photos and iPhoto libraries in your browser

Inline PDF templates that use prawn.