Ruby-Locale for Ruby on Rails is the pure ruby library which provides basic functions for localization.

Seamlessly integrates TinyMCE into the Rails 3.1 asset pipeline.

Rails engine - sets I18n.locale through a best-match cascading search and builds locale_menu (Bootstrap 3+ supported).

Prefab provides Twitter Bootstrap generators for Rails 5 (supported Rails >= 5.0.1). Checkout http://getbootstrap.com.

Adds an Sprockets engine to the asset pipeline in Rails to handle templates

This gem provides AthenaJDBC41-1.0.0.jar for your JRuby Rails application.

BSM's Rails API helpers

Proceso Middleware for Rails

Offer end-users a configurable /check route to check their browsers compatibility with your Rails application, with the ability to enable/disable standard checker modules or even add their own module logic in Javascript. Standard checkers are: browser name/version, cookies, asset loading ...

Rails helpers for producer (producer-core gem)

LogicalTabs assists in the creation of a tabbed panel UI for Rails apps with several advantages. A Rails helper generates the tedious (but semantically clean) HTML structures for you. Tab selection persists across page loads, the page is functional when JavaScript and/or CSS ar...

Provides the `logger` jQuery plugin packaged for the Rails 3.1+ asset pipeline.

apn_on_rails was developed by: markbates

Vanilla markItUp! for Rails 3.x, works with ERB, so, no extra gems needed like SCSS (huh?) or LESS. It comes with these sets from markItUp!: Html, Textile, Wiki Syntax, Markdown, and BBcode, if you use one of them maybe you will need to add other gems to parse it ;-).

This gem configures Rails for Imperva so that request.ip and request.remote_ip and work correctly.

Use CSS Flex, Regions, Multi-column and Template layout models in your Rails apps

A rails asset gem that adds Marionette.Modal to the asset pipeline

Add JavaScript testing tools in importmap-rails environment.

Easy use backup gem with Rails.

Swagger UI themes for Grape-Swagger-Rails https://github.com/ostranme/swagger-ui-themes