Google Australia has come up with an experimental project called Editions At Play, aimed at exploring the potential of digital books... . Besides the ability to see the locations on Google Street Map, we can switch between two characters’ perspectives on the same situation.
H-HistBibl is an international network of librarians, archivists, curators, and scholars interested in the practice and study of bibliographic and library services to support the study and teaching of history.
A collaborative project at the University of Washington, Mapping American Social Movements, "features maps and other visualizations showing the chronological geography of dozens of social movements that have influenced American life and politics during the 20th century, including radical movements, labor movements, women's movements, many different civil rights movements, environmentalist movements, and more...
Daniel Allington (University of the West of England), Sarah Brouillette (Carleton University) and David Golumbia (Virginia Commonwealth University) published “Neoliberal Tools (and Archives): A Political History of Digital Humanities” in the Los Angeles Review of Books, arguing that the digital humanities have “played a leading role in the corporatist restructuring of the humanities.”
The historian and cartographer Bill Rankin visualizes the practice with a fresh approach... Rankin’s new maps provide snapshots of U.S. slave populations from 1790 to 1870 in 10-year intervals. But his methodology is a departure from that of previous cartographers in that it doesn’t take counties as the smallest units of analysis.
The American Historical Association is creating a curated list of primary source collections freely available online and they are soliciting nominations. Personally I think the ship on such lists has long since sailed (either they are too selective to be useful, or it gets so big that it cannot easily be maintained.)