Cytoscape.js is an open-source graph library written in JavaScript. You can use Cytoscape.js for graph analysis and visualisation. It's compatible with CommonJS/Node.js, jQuery 1.4+, and plain JavaScript.
Sigma is a JavaScript library dedicated to graph drawing. It makes easy to publish networks on Web pages, and allows developers to integrate network exploration in rich Web applications.
Sigma provides a lot of built-in features, such as Canvas and WebGL renderers or mouse and touch support, to make networks manipulation on Web pages smooth and fast for the user.
JointJS is a modern HTML 5 JavaScript library for visualization and interaction with diagrams and graphs. It can be used to create either static diagrams or, and more importantly, fully interactive diagramming tools and application builders. JointJS makes it easy to create visual languages & tools of various kinds.
The event-driven nature together with MVC architecture of JointJS makes it easy to plug-in any backend application.
Circles is a lightweight JavaScript library that generates circular graphs in SVG. It makes creating the charts very easy.
highchartTable is a jQuery plugin provides a simple way to convert HTML data tables to Highcharts graphs.
Many attributes are available to provide you a way to customize the graph.
C3.js is a D3-based chart library that allows you to integrate charts into web applications more deeply.
D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG and CSS.
D3’s emphasis on web standards gives you the full capabilities of modern browsers without tying yourself to a proprietary framework, combining powerful visualization components and a data-driven approach to DOM manipulation.
Morris.js is the library that powers the time-series graphs. It's a very simple API for drawing line, bar, area and donut charts.
Nice tutorial from Smashing Magazine about "Creating an Animated bar Graph with CSS And jQuery".
What this tutorial is making?
Flot is a pure JavaScript plotting library for jQuery, with a focus on simple usage, attractive looks and interactive features.
Works with Internet Explorer 6+, Chrome, Firefox 2+, Safari 3+ and Opera 9.5+
Charts are a great visual aid when presenting data. There is a new library that makes things easier – xCharts. Here you will build a pretty, AJAX-powered chart for your web application that fetches data from a MySQL table.
Arbor is a graph visualization library built with web workers and jQuery. Rather than trying to be an all-encompassing framework, arbor provides an efficient, force-directed layout algorithm plus abstractions for graph organization and screen refresh handling.
jqBarGraph is jQuery plugin that gives you freedom to easily display your data as graphs. There are three types of graphs: simple, multi and stacked. All you have to do is to pass your data to this plugin.
There are a lot of settings to tune appearance of your graph, as are animation, color scheme, dimensions etc. Also, you can additionally change look and feel of graph via CSS.