nomacs - Image Lounge

nomacs - Image Lounge is a free, open-source image viewer that supports multiple platforms, including Windows, macOS, and Linux. It allows users to view all common image formats such as JPEG, PNG, and TIFF, as well as raw formats. Notable features include synchronization of multiple instances to compare images, the ability to show metadata and thumbnail previews, and various editing tools like adjustment of brightness, contrast, and gamma. It is primarily intended for photographers and designers...