GPX Editor - Load, modify and save your GPX 1.1 files.
Geosetter - GeoSetter is a freeware tool for Windows (requires Internet Explorer 10 or higher) for showing and changing geo data and
gpx.studio - View, create, edit and combine GPX files online to correct your activity data or design new awesome routes.
Geotag - GeoTag is a freeware tool for Mac for showing and changing geo data of image files (e.g.
GPSies - With GPSies you can view and download tracks which have been recorded by a GPS device.
RoboGEO - Geocode digital photos (including RAW) and tag images with latitude and longitude coordinates.