Formative is an extraction of the custom form builder I used in my last couple of Rails projects. It is the simplest thing that could possibly work for me. YMMV.

Ruby on Rails form generator based on has_many and belongs_to associations. Includes the helpers and javascript for adding and removing fields_for form attributes.

use formic to generate markup from sematic syntax. formic DRY your template and make it readable. It also seperate the sematic of the content from the actual markup, make it possible to render multiple view for the same content

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

some formtastic inputs i often use - this is a work in progress

External DSL to express math operations like you do in MSExcel formula bar. The parser generate a AST (Hash) for a given expression.

Load sessions/windows/panes into tmux from a config file

Forwards methods to hash as keys

Simple command line tool to download all your photos from Fotki.com

Wrapper library for the Fotolia API

An easy to use library for interacting with the Foursquare Merchant API

A simple Ruby API wrapper for Foursquare.

Hook your cassandra column families into ruby classes, mapping your rows to objects.

A gem for easy Rails integration with the Framey video recording service.

Ruby gem implementation of the Freelancer.com API

Import users' contacts lists from Google, Yahoo!, and Windows Live fork from holinn and turing contacts gem

specific recipe for freshlimestudio deployment

A simple wrapper around the Freshmeat.net API

Shows user-friendly error pages instead of 'Something went wrong'

We like to be very helpful to frogs.