An extension of famous Formtastic Form Builder to make building nested and association form with nested model addable and removable ability extremely easy and simple

Form Object with simple DSL which allows nested Form Objects and arrays of Form Objects. Form Object is compatible with Rails form builders, can update its attributes from a hash and serialize them to a hash. Form Object attributes could be mapped to models attributes and Form Object can be loaded from and saved to models as well as serialized to a hash which reflects a model. ActiveModel::Errors could be copied from a model to Form Object.

jQuery autocomplete for Formtastic form fields

Use jQuery UI's date picker with formtastic easily

A Rails form builder plugin/gem with semantically rich and accessible markup, patched for rails 3

Formtastic form builder to generate Twitter Bootstrap-friendly markup.

Rails form builder with flexible markup and styles.

The rigths management libraries available today are all based on the principle: everything is open and you close it explicitely. Fortress is immediately closing access to every actions of every controllers when you install it. It's then up to you to open the allowed actions.

Rails 3 for zurb foundation CSS framework. Form builder, flash message, ...

Gem to make statistics sending from Rails applications simple and efficient as possible

Allows to quickly build well structured complex Ruby apps.

Integrate Sequel with Rails 3

Enhances Rails filter chains so they refresh should a superclass change impact a subclass

A concise and easy-to-use Ruby library that connects ActiveRecord to the Sphinx search daemon, managing configuration, indexing and searching.

SQLf

Gaq is a lightweight gem for support of pushing static and dynamic data to the _gaq from the backend.

Session-oriented authentication and account management system for Ruby on Rails and PostgreSQL

Adds WSDL/SOAP and XML-RPC web service support to Action Pack

Distill from gblog, including editor, textile like syntax and code syntax highlight'

Trivial gem to support wizard application style creation.