Archives of Bas-Rhin Department. Digitized original records, but no index. (Free) French with no English version.

Archives of Haut-Rhin Department. Digitized original records, but no index. (Free) French with no English version.

Archives of the Moselle Departement. Digitized original records, but no index. (Free) French with no English version.

Indexes from genealogical societies, some links to original records, member trees. (For-pay membership, some access for non-members). French with English version.

Indexes from genealogical societies, collaborative data, genealogy library, partner indexes. (For-pay premium membership, free basic membership) French with English version.

Geopatronyme.com: Tout sur tous les noms de famillie (everything about every family name). French with no English version: Among other things, it allows you to search for the distribution of a family name in the various departments of France between 1891 and 1990. (Free)

February 2018 issue of PastPorts, a publication of St. Louis County Library, featuring “Researching Alsace and Lorraine.” Contains an excellent, brief history of the region. Also, have a look at other issues of PastPorts on a variety of genealogical topics at the library’s website.