Ancestry.com is a commercial site with a lot of good information and they offer DNA for genealogy research. This site is not free however there is a free trail available if you want to see if it something you will use. In my opinion it is a very good resource with family links.
Managed and run by the Church of Jesus Christ of Later Day Saints. One of the best genealogy research sites on the Web, explore the different links search for your family links
I have not used this site but it is recommended as a good site for beginners to genealogy research.
I used this site for a little while for genealogy research but did not find anything I could not find on one of the links to other sites I have used.
This is a link to a Web Magazine that has links to other Genealogy Web sites that focus on Genealogy research
Ancestry.com has a new feature called Story Scout. It connects what was going on in the part of the world where your ancestors lived and worked. Here are some links from story scout and my family. Click on the family links below to see more information that may help your genealogy research