Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
Metadata++ - Homepage of Metadata++, free, intuitive and powerful EXIF, IPTC, XMP, ICC, GPS viewer/editor.
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
ExifToolGUI - Graphical user interface to https://alternativeto.
Corel AfterShot Pro - Say hello to Corel AfterShot Pro 3, the world’s fastest photo workflow tool! Edit your photos up to 4x faster than Lightroom so you can spend more time behind the camera. Download a free 30-day trial today!
PhotoME - PhotoME is a powerful tool to show and edit the meta data of image files.