This gem extends ActiveRecord::Base to add automatic updating of created_by and updated_by attributes of your models in much the same way that the ActiveRecord::Timestamp module updates created_(at/on) and updated_(at/on) attributes.

If you're overwhelmed with or tired of using the Pivotal Tracker web UI, use this!

The piwik_analytics gem provides an easy way to include Piwik into your application. By default it will output the synchronous piwik tracking code for every page (given that it is configured correctly).

Write your views using plain old Ruby

APN on Rails is a Ruby on Rails gem that allows you to easily add Apple Push Notification (iPhone) support to your Rails application. This version includes an association between an assumed User model and APN::Device

Promenade makes it simple to instrument Ruby apps for prometheus scraping

Ruby gem developed to help with pagination, filtering, sorting, and including associations on both active record queries and custom sql queries

Rack middleware for handling large file uploads. Integrates nicely with the Nginx upload module: http://www.grid.net.ru/nginx/upload.en.html

An ActiveSupport cache store that uses the C-based libmemcached client through Evan Weaver's Ruby/SWIG wrapper, memcached. libmemcached is fast, lightweight, and supports consistent hashing, non-blocking IO, and graceful server failover.

A command to check syntax as rails's erb. It provides the rails-erb-check command.

Checks validity of ERB files for your Rails app.

Use different strategies to write excel : available are :spreadsheet and :writeexcel This implements rxls template in your rails view

rails-jquery-tokeninput project integrates Tokeninput jQuery plugin which allows your users to select multiple items from a predefined list, using autocompletion as they type to find each item

This gem provides an extraction of the DeprecatedMapper from Rails 3.0. If you have a legacy application with an old style routes.rb file this allows you to get your application running quickly in Rails 3.1.

Secure applications disable browser history and internal cache. Unfortunately, this causes problems with most browsers when following the standard Rails pattern for displaying errors. For full protection from ERR_CACHE_MISS (in Chrome with no-cache, no-store), and equivalent in other browsers, the pattern should be altered to follow a full POST-REDIRECT-GET patten. This way the browser will always have a consistent back-button history to traverse without triggering browser errors.

Pragmatical access to your Rails routes as RFC6570 URI templates.

use redis to cache your rails page.

Better Rails Forms

Simple params renaming for Rails applications

Requisite is an elegant way of strongly defining request and response models for serialization