The Ayn Rand Institute
http://www.aynrand.org/site/PageServer
The official site of the Ayn Rand Institute. It provides information about Ayn Rand, the philosophy of objectivism, and so on. Though it is strongly laudatory of these topics, the site is extremely interesting.
The Atlas Society and its Objectivist Center
http://www.objectivistcenter.org
This site claims to be "the most respected independent source of information about Objectivism, the philosophy defined by Ayn Rand, the renowned author of Atlas Shrugged and The Fountainhead." While clearly pro-Objectivism, this group seems to take the philosophy much farther than Rand herself did, so readers of the novels might be interested to examine how closely this kind of Objectivism aligns with Rand's works.
