Offers presentation of all trotting sire lines and library with pictures and pedigrees of trotters from all over the world. Maternal lines will be added. Includes articles and newsletter. Located in Skien, Norway. [English and Norwegian]

An extensive horse racing information service. Includes stallions directory, pedigree research and breeders.

Extensive information on Thoroughbred racehorse breeding and genetics, specifically focusing on the importance of the female lines. New Zealand.

Offers matings, sire profiles and predictions in realm of throughbred pedigrees and assistance in stock acquisition. Located in Lexington, Kentucky.

Affordable Thoroughbred pedigree analysis software.

Software exclusively for harness and flat racehorse breeding.

Articles on pedigrees and successful breeding patterns are provided bi-weekly from professionals and students in the field of pedigree research. The site also provides a calendar of stakes results.

An excellent link to sites which deals in information on thoroughbreds, from bloodstocking to horsemanship. This site is maintained by Rose Sylvia.

Australia's top selling pedigree research package, now available online.

Provides pedigrees for English and American thoroughbred horses, of pre-1850's vintage, showing their descent from the taproot mares. Lists of English and American taproot mares are included.

An online searchable database of Thoroughbred pedigrees. Also includes up-to-date workout statistics for contenders in the Kentucky Derby, Preakness, and Belmont Stakes.

Online thoroughbred pedigree database consisting of more than 900,000 horses. Includes free access and subscription service.