FindMyPast is a family history company based in the UK and its primary focus is UK records but it also has U.S., Canada, and other collections as well.
FindMyPast has some exclusive images from UK parish records which are quite helpful if you have ancestry here. Some FindMyPast freebies include:
Building a free family tree, you can import a GEDCOM file or add names one by one
US Census records, including the 1790 US Census, 1830 US Census, 1840 US Census, and 1940 US Census; you’ll need to register for free in order to see search results
US BillionGraves Index, FindMyPast lets you search the US BillionGraves index for free to find an ancestor’s burial site, which may include a birth and death date; you’ll need to register for free in order to see search results
Irish Catholic Parish Registers, you’ll need to register for free in order to see search results