Family Tree DNA - provides testing for genealogists; pioneer in the field of genetic genealogy.
Genealogical DNA Test - understanding the difference in DNA tests (Y-DNA vs. mtDNA) and their results (Wikipedia).
Genebase - by testing your Y-DNA, you can trace your paternal lineage.
Genetic Genealogy - the application of genetics to traditional genealogy. Genetic genealogy involves the use of genealogical DNA testing to determine the level of genetic relationship between individuals (Wikipedia).
Genetree - DNA consulting; helping the genealogist know which DNA test is appropriate for their use.
Arcalife - one place to preserve family history, scrapbook memories, and securely share rich life content.
Archives.com - trace your roots, use our family history database of vital records, newspaper images, and census data to discover your ancestors' world.
Association of Graveyard Rabbits - dedicated to the academic promotion of the historical importance of cemeteries, grave markers, and the family history to be learned from a study of burial customs, burying grounds, and tombstones.
Atlas of Canada - provides the most interesting, dynamic and comprehensive collection of maps and related information about Canada available anywhere on the Internet (English and French versions).
Billion Graves - help make family history available to everyone. Collect cemetery photos, transcribe headstones, add GPS coordinates (with downloadable app), search for ancestors' graves already added.
Digital Public Library of America (DPLA) - an ambitious project to realize the great promise of the Internet for the advancement of sharing information and of using technology to enable new knowledge and discoveries in the United States.
Find a Grave - find the cemeteries and graves of ancestors, create virtual memorials, add 'virtual flowers' and a note to a loved one's grave.
Find My Past - discover how your UK ancestors lived, worked, and played.
GenDex - free, searchable genealogical index network, involving multiple databases linked to family history websites across the Internet.
GenDisasters - events that touched our ancestors' lives; searchable database.
GenealoGee.com - a genealogy bookmarking site for genealogists and hobbyists to share blog posts, articles, news and other information with each other.
Genealogy Book Links - simplies searching for our ancestors by identifying and linking to the freely available digitized American biographies, genealogies and history books.
GenealogyBuff.com - searchable site includes county marriages, county deaths, state and federal census records, birth records, immigration records, obituaries, etc.
Genealogy in the Classroom - enter our school for an introduction to the tools and techniques; provided by the Victoria Genealogical Society (BC, Canada)
of genealogy and family history research
Genealogy Karma - built to empower the Mocavo community and connect researchers around the country. Modeled after Random Acts of Genealogical Kindness, hosted by Mocavo.
GenealogyToday - publishing unique information and offering innovative services since 1999. Our goal is to help everyone that visits, and hope to become one of your favorite providers of genealogy and family history resources.
GeneaQuilts - a new visualization technique for representing large genealogies of up to several thousand individuals; free downloadable application for all platforms.
Gen Gathering - a gathering of researchers and genealogists that "give and take" (substitute for RAOGK; see note below)
Inflation Calculator - calculate equivalent values for any year between 1800 and 2005 (in US dollars).
Internet Archive - a non-profit that was founded to build an Internet library (including a section on genealogy). Its purposes include offering permanent access for researchers, historians, scholars, people with disabilities, and the general public to historical collections that exist in digital format.