FamilySearch.org
Free with account creation. Record and catalog search. Contribute to one Family Tree for all. FamilySearch.org
FindmyPast.com
Subscription. Family Tree builder. Best for British and Irish records. findmypast.com
fold3.com
Military records. A few collections free to search. Owned by Ancestry.com but requires separate subscription. fold3.com
MyHeritage.com
Limited free version or paid upgrade subscription. Family Tree builder and record search. MyHeritage.com
AmericanAncestors.org
by New England Historic Genealogical Society (NEHGS). Membership supported subscriptions to access most records. AmericanAncestors.org
Newspapers.com
Historical newspaper archive. Search and browse records. Owned by Ancestry.com but separate subscription required. Newspapers.com
