dygraphs-rails
From dygraphs.com:
dygraphs is an open source JavaScript library that produces produces interactive, zoomable charts of time series. It is designed to display dense data sets and enable users to explore and interpret them.
This gem packages the dygraphs library for use with the Rails 3.1+ asset pipeline.
Usage
In your Gemfile:
gem "dygraphs-rails"In your application.js.coffee or whatever:
#= require 'dygraph-combined'Also included in this gem is excanvas.js, which should be used if you want to support MSIE 8 or lower.