Encyclopedia of Genealogy - a Wiki created by Richard Eastman

Genealogy and Wikis - this information hasn't been updated recently

WikiTree - Growing the World's Family Tree

We Relate - The World's Largest Genealogy Wiki

Research Wiki - FamilySearch (LDS) Research Wiki

WikiSpaces - Hosting the HenthornFamily Wiki (Cost is $100.00 a year for 2Gb of storage, with each file limited to 20Mb)