OvirtMetrics is an ActiveRecord-based gem for reading the oVirt History database.

A Rails pagination responder with link header support.

locale-specific attachments with paperclip and globalize

A Solar Hijri (Jalali) date library for Ruby, whitch provides much of Ruby's built-in date class

Intelligent caching, no observers necessary

A data scraping framework

A simple interface over several background job libraries like Resque, Sidekiq and DelayedJob.

An admin interface for QueueClassic

This gem provides the Quill.js Rich Text Editor assets and view helper for your Rails 3.1/4.0 application.

Log inbound and outbound API requests in your Rails application

A Rails plugin that contains helpers for Bootstrap

Rails engine for logging from Browser Javascript to server

Rails::Decorators provides a clean, familiar API for decorating the behavior of a Rails engine.

Patching rails include/select/virtual attributes issue ( https://github.com/rails/rails/issues/15185 )

Make rails and bootstrap sing with awesome helpers, additional components, and more.

Common libraries for RedmineUP plugins (www.redmineup.com) for Redmine. Required Redmine from http://redmine.org

master-slave replication helper for ActiveRecord

Robokassa is payment system, that provides a single simple interface for payment systems popular in Russia. If you have customers in Russia you can use the gem. The first thing about this gem, is that it was oribinally designed for spree commerce. So keep it in mind.

When you write a web API, you make a promise to the world. RSpec API helps you keep your promise.

Rules engine that allows you to add customizable business rules to any ActiveRecord model.