pg_index_where will provide unique index with WHERE statement on PostgreSQL with migrate the database on Rails.

rails helpers for bootstrap 3

Photon makes Rails 3 app messaging insanely simple.

Rails engine for embedding pixels (similar to Google Tag Manager)

Pinkman: a new way to orchestrate javascript in Rails.

A command-line tool that avoids unnecessary compiles when using the Rails Asset Pipeline.

Platonic is a set of patterns that can be included in a Rails project via helper methods.

Custom dropdowns for select boxes.

Simple email analytics for your Rails app

Ruby and rails repo tool

Give your JavaScript the ability to speak many languages

Ponytail is a Rails engine that shows the migrations.

Poring Backup is database backup that support rails.

Add Polysize to your asset pipeline.

User pleeease.io with Rails

Commentable extension for Rails 3 app

i18n for JavaScript with Rails

Token-based authentication for your Rails API.

Rails admin generator

Helps to maintain referential integrity for Rails polymorphic associations.