There are 2 repositories under windows-imaging-component topic.
Example Windows Imaging Component (WIC) codec
Some example projects that show how to use the Windows Imaging Component (WIC) for loading, saving and displaying images on Windows
GIMP plugin which adds reading support for all image formats that are supported by the Windows Imaging Component (WIC) codecs on your computer
Paint.NET plugin which adds reading support for all image formats that are supported by the Windows Imaging Component (WIC) codecs on your computer
Direct2D Image editor
UWP & console app for transcoding of images that uses Microsoft Windows Imaging Components