This gem converts the foreign key exceptions raised by the database into Active Model errors that can be displayed by an application.

Undercarriage is a set of concerns to add to your application to trim some of the fat from controllers and models.

Pattern library for Casebook

A rails GEM to automaticaly moderate under construction pages with ability to automatically schedule for launch time. Also it have two default themes and some other fancy things.

Underlay removes the monotony of your setup, so you can spend your time focusing above the value line.

Starter styles in Sass

Adds extensions to the underscore javascript library. It adds the javascript as a rails engine to be included in to a Rails 3+ project. To use it make sure require underscore, underscore.string and underscore.extensions.

Rails gem for easy underscore js (1.12.0) integration. See https://underscorejs.org/ for more information on how to use underscore js

Make Underscore.string available in the Rails asset pipeline.

This gem is combination of two libraries: underscore and underscorejs. The underscorejs extended via mixin. (underscore v1.7.0; underscore.string v2.3.3)

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

Underwear is based on Underwear by Thoughtbot, a base Rails project that you can upgrade. Underwear is used by thoughtbot to get a jump start on a working app.

Underworld is a ruby on rails engine which provides a platform to easily build a web application. Features like Dashboard, complex code generation and other awesome features. For more information checkout the docs.

Unforgettable tracks which tasks it has run previously, and which tasks still need to be invoked.

This is app which provides a generator to create unicorn and nginx config files and some task of capistrano

Unified stateless cross-application CSRF prevention implementation for Rails

Mainly useful for aggregating the logs of all the rails applications in your organization at one place. All the rails app connect to a restful logger where the logs are stored in the database.

Offers a standard approach for consistent use of partials to display attributes.

Interface to handle payments via UnifiedPayment for rails app.

A distributed unique ID generator inspired by Twitter's Snowflake.