History HubHistory Hub is a crowdsourcing platform sponsored by the National Archives.
It is a support community for researchers, citizen historians, archival professionals, and open government advocates.
Requires FREE account.
History Hub is a place to share information, work together, and find people based on their experience and interests. Experts from the National Archives as well as other experts, history enthusiasts, and citizen archivists are available to help with your research. Think of it as a one-stop shop for crowdsourcing information related to your research subject.