There are 5 different DLL files needed to run most filter/plugins/add ons with your graphics program that are NOT always installed or are not located in the proper folder for your operating system. These are MSVCRT10.DLL, msvcrt20.dll, Msvcrt40.dll, msvcrt.dll and plugin.dll.
GeoSetter allows easy viewing and altering of geodata as well as other metadata (Exif/IPTC/XMP) on image files and incorporates ExifTool for data writing. It is available in a portable version as well for use on the go!
Restore Windows Photo Viewer enables you to bring back the classic Windows Photo Viewer to Windows 10/8/8.1 which is hidden. You can also do this yourself by editing the registry as explained in this guide with video.
RIOT plugin can be used to provide an image saving method for your applications especially when this feature would be a nice extra and you prefer to use a third party component for that rather than program it from scratch.