From Darrin Lythgoe:
The Next Generation of Genealogy Sitebuilding lets you build online genealogy with PHP/MySQL. Can even be a module in several CMS platforms. Simple & advanced searching, pedigree, descendancy, report generator, GEDCOM import/export, admin interface & more. Protect private data with user rights. Link or import photos & documents. What's New shows recent changes. Supports multiple languages, multiple family trees. Backup/Restore. Many customization options. Detailed install instructions, plus fast, free & friendly support. Free updates.