LOVD - An Open Source DNA variation database system (eg. genetic testing/unknown clinicial variant/s)

LOVD stands for Leiden Open (source) Variation Database.
LOVD's purpose : To provide a flexible, freely available tool for Gene-centered collection and display of DNA variations.

Mutalyzer

LOVD features integration with the Mutalyzer sequence variant nomenclature checker, allowing for direct nomenclature checking of sequence variants during the submission process.

If you are looking for a specific gene database, please check the list of gene variant databases at the HGVS site, in our list of LSDBs, or in the list of registered LOVD installations.