ExpressAdmin is the admin menu framework used by appexpress.io, ExpressBlog, etc.

ExpressMailer is intended to be a quick and easy way to send yourself or your team members nice looking emails about things that happen in your rails application. No need for creating a new Mailer, copy views, wade through email HTML, or any of that. Just tell ExpressMailer a few things about wha...

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

Simple feedback popup for Rails 3 applications.

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

Keeps an index of checksums and lets you update and verify them

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.

Complex format validators

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 it...

Store the world's knowledge in Rails models (via Freebase)

Decouple your forms from your domain models