PhotoQt Alternatives for Linux

nomacs is a free, open source, cross-platform image viewer. With nomacs you can easily view and manage all common file formats including jpg, png, tif, bmp, raw and many more. The sleek user interface provided by nomacs features a semi-transparent widgets that display additional information such as thumbnails, metadata or histogram.

The classic Eye of GNOME is the official and default image viewer for the free and open source desktop environment GNOME. The application comes bundled with GNOME and is in later releases known as Image Viewer. However, Eye of GNOME can be used in any Linux operating system or distribution. It also share many similarities with another official image viewer for GNOME called gThumb

A versatile and powerful photo viewer, image management, image resize developed by XnSoft. The XnView MP image viewer is a free software for macOS, Linux and Windows. The software consist of a photo viewer and a photo editor. With the photo viewer you can view browse photos in thumbnail, fullscreen and filmstrip view and compare images and manage EXIF, IPTC, XMP meta data. The photo editor can be used to resize, rotate and crop photos or adjust brightness, contrast and color while applying filters and effects to images.