nomacs - nomacs is a free, open source image viewer, which supports mu
Retrobatch - Retrobatch is a unique application for automating actions to tens, hundreds, and even thousands of images at the same time
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
photos2webgallery - Create lovely web galleries directly from macOS Photos app.
sxiv - Simple X Image Viewer. Contribute to muennich/sxiv development by creating an account on GitHub.
FastPictureViewer - A hardware-accelerated image viewer for the modern Windows platform.