With certain restrictions, all current faculty, staff, and students are eligible to participate in Esri Site License software downloads and license requests.
Search engine for OpenStreetMap data. You may search for a name or address(forward search) or look up data by its geographic coordinate(reverse search). Each result comes with a link to a details page where you can inspect what data about the object is saved in the database and investigate how the address of the object has been computed.
Free desktop software that allows for visualization, assessment, and creation of geospatial data. Including a "time machine" that displays historical aerial imagery dating back to the 1980s/early-1990s.
If you have large number of addresses or locations to add to a map, BatchGeocode can create a kml file. It uses a spreadsheet template to convert addresses to latitude and longitude so you can then map the points.