Select form helper using Select2 JS. Should be used with the Categoryz3 gem.

A cms bootstrap for localized client websites.

Simple authorization system for Rails applications. Allows you to develop applications with a mixed role based authorization and a context based authorization model. Does not supply authentication.

License your ActiveRecord models under Creative Commons licenses

Get validation error from database constraint.

Call for Papers Rails Engine used for the organization of MagmaRails

Simple ActiveRecord plugin for handling merges.

A simple, yet flexible solution to tracking changes made to objects in your database.

Admin framework for rails + mongoid web applications.

This gem wraps the data to render chart and then it draws those charts in the web and use the same data to render charts as images, which is often useful when you want to render the chart in pdf or attach it to emails

Chaskiq.

Using in-place editing etc.

Chimpy syncs your users from your DB to your respective lists in MailChimp.

Manage the preview and publish tasks of templates

Character is a library written in CoffeeScript with a help of jQuery that allows to build data management web applications in a fast and flexible way, e.g. CMS, news reader, email client etc. It's responsive by default and designed to be data source independent.

Gem for maintaining friendships in ActiveRecord

The Citizen Budget budget simulation model

Citygate is an Engine that provides user model with sign up and log in, admin backend for managing users.

A library for constructing an sql query from a hash. Uses a strict, yet flexible specification.

A gem that allows a Rails app to be an OAuth client of Clickfunnels.