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XnViewMP is a free software to view, organise, convert graphics and photos files or to create slide show, contact sheet, HTML pages.

JPEGView is a small and fast viewer/editor for JPEG, BMP, PNG, GIF and TIFF images. On-the-fly image processing is provided - allowing to adjust typical parameters as sharpness, color balance, contrast and local under-/overexposure.

Geeqie is a lightweight Gtk+ based image viewer for Unix like operating systems. It was forked from GQview. The development is focused on features for photo collection maintenance: raw format, Exif/IPTC/XMP metadata and integration with programs like UFraw, ImageMagick, Gimp, gPhoto or ExifTool.

Imagine is an Image & Animation Viewer for Windows with screen capture function.

Eye of GNOME is the official image viewer for the GNOME Desktop environment. With it, you can view single image files, as well as large image collections. The Eye of GNOME supports a variety of image file formats. The GdkPixbuf library determines which file formats Eye of GNOME can load and save. If the appropriate plugins are installed on your system, Image Viewer will be able to open more image formats than those listed below.

Its minimalistic interface provides more screenspace for your images. Among its features are:

Free Opener allows users to view, edit and print many different types of files without having to download specialty software. Currently, the software supports over 80 different file formats including Microsoft Office Files (.doc, .docx, .ppt, .pptx, .xls, .xlsx, .xlsm, .msg, .vcf), Adobe Files (.swf, .flv, .psd, .pdf), Media files (.avi, .flv, .mid, .mkv, .mp3, .mp4, .mpeg, .mpg, .mov, .wav, .wmv, .3gp, .flac) and many others.

Universal Viewer is an advanced file viewer for wide range of formats. Supported file formats are:

Xee is a lightweight, fast and convenient image viewer and browser. It is designed to be a serious tool for image viewing and management, with a sleek and powerful interface.

Simplistic Image Viewer with focus on speed of rendering and switching between images. A good complement when no editing capabilities are nessesary.

QuickViewer is a graphic image viewer for comfortable browsing of many images.

You can use the Photos app to view or edit photos and videos in your Pictures library and on OneDrive, and to import photos and videos. The Photos app includes a wide range of editing options to enhance your photos, from automatic fixes to advanced adjustments. After you've finished editing your photos and videos, you can then share them with friends and family without leaving the app.