ShapeShifter is a convenient GUI for loading shapefiles into PostgreSQL/PostGIS. Although it uses shp2pg.exe, it makes the entire process much easier and more flexible. Simply drag any shapefile member (.shp, .shx, .dbf, etc.) onto its main form and you can then do the following:
This tool is compatible with Windows XP through 10 and Postgres 9.5/PostGIS 2.2. Please contact firstname.lastname@example.org if you are interested or want additional information.