The Central Archives for the History of Jewish People (CAHJP) at the National Library of Israel put online new sources concerning the Jewish communities of many Italian cities including Asti, Busseto, Casale, Cuneo, Firenze, Livorno, Lugo, Modena, Parma, Saluzzo and Senigallia.
Indexes are available at http://cahjp.huji.ac.il/search-holdings
All sources are in Italian and Hebrew and begin in the second half of the 17th century.