A really simple currency converter using XavierMedia API. It's Ruby 1.8, 1.9 and JRuby compatible, and it also takes advantage of Rails cache when available.

jQuery autocomplete for SimpleForm form fields

The following custom Simple Form inputs are available : boolean, collection_check_boxes, collection_radio_buttons, color, date_time, file, image, numeric, redactor, selectize and slider

Makes it easy to use SimpleForm::FormBuilder with Ransack without constantly having to supply labels and other pains.

An extremely easy way to protect your site by requiring Google logins without having to set up a traditional authentication system

SimplePostmark makes it easy to send mails via Postmark™ using Rails 3's ActionMailer.

SimplestStatus provides a dead-simple DSL for defining statuses on Rails models, which generates scopes, constants, and a number of instance-level convenience methods.

Create and display Tooltip Help in view pages in Rails applications. Uses jQuery to display tooltips, with html fallback if JavaScript is not available. Makes use of help text in the user's locale if available.

Expands Ruby on Rails to allow simple breadcrumb detour workflows.

Adds singleton functionallity to ActiveRecord models

Include gmail like auto-save on your forms

Site24x7 APMInsight gives you end-to-end web-transaction awareness of Rails applications enabling you to isolate performance issues and resolve them quickly. To monitor Rails application performance, download and deploy Ruby agent(site24x7_apminsight) in your Application Server. This agent allows...

Provides helpers for easy adding of html meta information to Rails applications. * Easily add default description and keywords meta tags. * Customize meta tags on per-view basis * Add head title tag with breadcrubms * Add page title

A simple way to build Slack interations inside a Rails app.

Slackbot framework for Rails using the Events API. Supports events, interactive messages and slash commands.

Sign in (or up) with Slack for Rails applications

A modern and overridable admin gem, just the rails way.

Connection proxy for ActiveRecord for master / replica setups.

Slugalicious adds simple and powerful slugging to your ActiveRecord models.

Automatically generates unique and SEO-friendly slugs for your Rails ActiveRecord model records, so you can expose them in URLs. Allows for string and number-based slugs.