Gramps - Research, organize and share your family tree with Gramps genealogy software.
MyHeritage - MyHeritage is a family-oriented social network service and genealogy website.
webtrees - webtrees - the web based Family History Software - is based on the popular PhpGedView ('PGV') application.
Ancestris - Software of genealogy compliant 100 % GedCom 5.5 and 5.5.1 standard.
Ahnenblatt - Ahnenblatt is genealogy software for Windows. (Use Portable Version for Linux with Wine)
Ancestry - Discover your family history and start your family tree.