Testing companies (see also their information pages & company pages on Facebook)
- 23 and Me – http://www.23andme.com (autosomal DNA & mtDNA)
- AncestryDNA – http://www.ancestry.com/dna (autosomal only)
- Family Tree DNA – http://www.familytreedna.com (Y-DNA, mtDNA & autosomal DNA)
Projects on Family Tree DNA – http://www.familytreedna.com/projects.aspx (Surname, geographical and haplogroup projects)
mtDNA haplotree – https://www.familytreedna.com/public/mt-dna-haplotree/A (search by branch name or countries)
Y-DNA haplotree – https://www.familytreedna.com/public/y-dna-haplotree/A (search by branch name, countries or surnames)
iGenea – http://www.igenea.com/en/home (German company, affiliated with FamilyTreeDNA) - Full Genomes Corporation – https://www.fullgenomes.com (offers full sequence of Y chromosome)
- My Heritage – https://www.myheritage.com/dna/ (autosomal)
- Living DNA – https://www.livingdna.com (detailed ethnicity estimates)
- totheletter DNA – https://www.totheletterdna.com (DNA test envelopes & artefacts, for genealogists)
Free DNA databases (for entering and/or comparing DNA test results)
- GEDmatch – http://www.gedmatch.com (search autosomal DNA matches submitted from users of 3 companies, see also below under 'Tools')
- Genbank – http://www.ncbi.nlm.nih.gov/genbank/ (submitted DNA sequences made available for scientific research)
- Yhrd – http://yhrd.org (Y-chromosome haplotype searches)