Genealogy and Family History Internet Web Directory - Over 5,000 Quality Listings, connecting to hundreds of thousands of related links that lead to billions of database records.
Cyndi's List of Genealogy Sites on the Internet - Huge database (one of the best)
Family Search Internet Genealogy Service - From the Church of Jesus Christ of Latter-Day Saints-over 400 million names listed
Family Tree Maker's Genealogy Site - Genealogy software
Family Tree Magazine - Good collection of links; access point to searching several databases
Find a Grave - allows you to search for a grave by name and location.
GenForum - Can type in questions and responses to specific genealogy requests
Librarians Serving Genealogists
RootsWeb - The Oldest and Largest Free Genealogy Site!
RootsWeb Surname List - A database for genealogists to share research with other genealogists
WorldGenWeb - Connect with other genealogists throughout the world