GeoTagNinja is an open-source geotagger for Windows. It's a lightweight an open-source (written from scratch) reminiscent of GeoSetter, which hasn't been updated for a longer while and is now a little obsolete as it's using IE and other technologies that are becoming increasingly ageing. GTN uses exifTool to read and write EXIF info. This also sets the limitations and capabilities. If exifTool can read/write a file, chances are so can GTN. There is a "short" (15 mins) capabilities demo on Youtube if you feel like watching it. Download the .msi file from Releases - click on Assets if they are not showing.
Geosetter - GeoSetter is a freeware tool for Windows (requires Internet Explorer 10 or higher) for showing and changing geo data and
RoboGEO - Geocode digital photos (including RAW) and tag images with latitude and longitude coordinates.
Geotag - GeoTag is a freeware tool for Mac for showing and changing geo data of image files (e.g.
ManageEngine ADAudit - ManageEngine ADAudit is a real-time windows active directory auditing tool.
Houdahgeo - With HoudahGeo you may "pin" photos to locations where they were taken.