Refer-It
This is the leading search engine on affiliate and associate programs. Run by James Marciano, it is a detailed and carefully built list of good affiliate programs. Their seal of approval makes this site one of the most influential in this industry.

AssociatePrograms.com
Allan Gardyne has created a well written and important resource for associate programs. He judges these programs through personal experience, as well as sharing discussion boards so you know the best programs to join. I love the fact that he lives on the beach in Australia, is a journalist, and has created one of the best places online for affiliates to discuss and discover which programs work best for them.

The Step by Step Guide to Successfully Promoting Your Web Site
John DeUlloa shares the best ways to get to the top of the search engines from his well known book at PromoteOne. Keep up to date on the latest techniques to generate traffic to your site.

AdNet International is a leading developer of online Internet business systems, specializing in Affiliate Programs for clients such as Habitat, as well as targeting online campaigns for the 1996 Olympic Games apparel site and Paul McCartney's concert in New York.

LinkTrakker Software
Check out this tracking software to see where your affiliate leads are coming from, as well as all your traffic from banner advertising to search engine submissions. By using cookies to track entry and exit points, this software allows easy set up and maintenance of Web Site marketing and affiliate programs.

The Online Marketing Letter
Jonathan Mizel's newsletter is one of the best resources for new techniques and direct response marketing advice online. I've worked with Jonathan since 1995 and know that between his seminars and his newsletter, you will always know the latest techniques and inside knowledge that can help your business thrive.