GenServ
A collection point for GEDCOM data files. Over 15.2 million individuals and data on-line in 11,000+ different databases. Two months free access for your data. On the Internet since 1991.
MyGEDCOM.com
Provides to amateur genealogists a free place to upload and share their GEDCOM files.
The GEDCOM Standard Release 5.5
Official release document prepared by the Family History Department The Church of Jesus Christ of Latter-day Saints. Appendix "A" lists all permissible tags.