FastStone Image Viewer - FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.
IrfanView - IrfanView ... one of the most popular viewers worldwide.
Retrobatch - Retrobatch is a unique application for automating actions to tens, hundreds, and even thousands of images at the same time
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
Irix HDR - Irix HDR is a photo-editing application that allows its users to perform an action on images by using highly trained artificial intelligence (AI) models.
JPEGView - JPEGView is a small and fast viewer/editor for JPEG, BMP, PNG, GIF and TIFF images.