Chart Candy use D3.js library to quickly render AJAX charts in your Rails project. In a minimum amount of code, you should have a functional chart, styled and good to go.

This gem wraps the data to render chart and then it draws those charts in the web and use the same data to render charts as images, which is often useful when you want to render the chart in pdf or attach it to emails

Automatically generate remote json for chartkick

Chartkick charts with extras

Generate beautiful charts in rails

Verify ChatWork webhook signature

chaves.js, bundled for Rails 3.0 and up.

Chesscademy assets for use in Rails asset pipeline

Chimpy syncs your users from your DB to your respective lists in MailChimp.

tree

A declarative authorization Rack middleware that supports custom authorization logic on a per-resource basis

A set of generators for Cider CI config

Provides jQuery Circular Sliders for Rails Asset Pipeline.

Automatic page load progress bar

Adds support for uploading images in ckeditor. Inserts them as base64 with the proper mimetype. Gem for https://github.com/nmmf/base64image

clairity.css is a responsive, semantic, classless CSS framework, with ambitions to grow into a complete (classful) design system one day. It's loosely inspired by almond.css, sakura.css, Semantic UI, and others.

Claude transparently encrypts and decrypts sensitive Active Record attributes.

Cleave.js has a simple purpose: to help you format input text content automatically. This gem allows for its easy inclusion into the rails asset pipeline.

CLEeditor for rails

asset gem for ClickEffects by codrop