Gramps - Research, organize and share your family tree with Gramps genealogy software.
webtrees - webtrees - the web based Family History Software - is based on the popular PhpGedView ('PGV') application.
Ancestry - Discover your family history and start your family tree.
WikiTree.com - The WikiTree community is growing a free worldwide family tree. The site is 100% free.
MyHeritage - MyHeritage is a family-oriented social network service and genealogy website.
Ancestris - Software of genealogy compliant 100 % GedCom 5.5 and 5.5.1 standard.