SimpleCaptcha is available to be used with Rails 3 or above and also it provides the backward compatibility with previous versions of Rails.

Rails 3 validators for common numbers like PESEL, NIP, REGON

Dynatree integration for rails asset pipeline

SuperfeedrEngine is a Rails engine to consume RSS in a Rails application via Superfeedr. It handles routing, subscriptions, unsubscriptions, retrieval and notifications.

Express generates a slimmed-down Rails application that leaves out anything not urgently needed for content-oriented sites. Your Rails app will launch very, very fast.

Audio.js on Rails Asset Pipeline

Rails asset gem for Sencha's Ext JS Framework

Provides integration between ridgepole and rails 5 newer

Custom RuboCop rules for Rails Accessibility.

asset-path helper for ember-rails, including digest!

A Rails Engine to work with Plaid

Use PIE in your Rails apps :)

A wysiwyg text editor for use in the Rails 3 asset pipeline

Adds chai-jquery plugin to rails asset pipeline

Add bootswatch.com themes to the Rails asset pipeline

Tail rails logs from server.

Single Sign On solution via OAuth2 for Ruby on Rails.

Simple appcache helpers for Rails

[Rails] Easily enable Yandex.Metrika support in your Rails application. <br/><br/> By default this gem will output Yandex.Metrika code for every page automagically, if it's configured correctly. This is done by adding: <br/> Yandex::Metrika.counter_id = '123456' <br/> to y...

Add Rails asset helper and named_route helper for JavaScript