Sass mixins by zurui-design(https://speakerdeck.com/ken_c_lo/zurui-design)

Exposing things, adequately

Chosen is a javascript library of select box enhancer for jQuery and Protoype. This gem integrates Ajax-Chosen with Rails asset pipeline for ease of use.

Authem provides a simple solution for email-based authentication

Automatic data change tracking for Ruby on Rails.

Create a versioned API with rails

blueimp Gallery for Rails

The official Typeahead plugin for Twitter Bootstrap

Various GraphQL caching / instrumentation tools

make CanCan work with strong_parameters

Canvas WebEx is an Cisco Webex plugin for the Instructure Canvas LMS. It allows teachers and administrators to create and launch WEbEx conferences directly from their courses.

clndr-rails easy way to display calendar in your Rails app

A web interface for Clockwork

A tool for automated testing and debugging of automation scripts (e.g., Chef).

A is a simple gem for adding the CoreUI-Free admin template (by Łukasz Holeczek) to a Rails project's asset pipeline.

The public version of CoverMyMeds API

Twitter Bootstrap CSS toolkit for Rails 3 projects

Concisely generate CSS style rules within Javascript

Custom configuration storage for Rails

The datejs Javascript library ready to play with Rails