Backbone.js: A front end framework for single page applications in an MVC framework.
Some good d3 tutorials:
- Mike Bostock's Tutorial -- this is the creator of the framework
raphaël.js: a light weight library for creating simple vector graphics. Better for backwards browser compatibility than d3.js. The axes are not easily configurable and one of the complaints many have about it is how poorly it is documented.
Here are some blog posts I found about it: