ACDSee!

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

FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor. It has a nice array of features that include image viewing, management, comparison, red-eye removal, emailing, resizing, cropping and color adjustments. Its innovative but intuitive full-screen mode provides quick access to EXIF information, thumbnail browser and major functionalities via hidden toolbars that pop up when your mouse touches the four edges of the screen. Other features include a high quality magnifier and a musical slideshow with 150+ transitional effects and more. »

(Official description) Create incredible photos anywhere with all-new Lightroom CC and 1 TB of cloud storage. Get powerful editing features on any device in a new, easy-to-use interface.

Darktable is a virtual lighttable and darkroom for photographers: it manages your digital negatives in a database and lets you view them through a zoomable lighttable. it also enables you to develop raw images and enhance them.

Shotwell is an open source photo organizer designed for the GNOME desktop environment.

nomacs is a free image viewer for windows, linux, and mac systems, which is licensed under the GNU Public License v3. nomacs is small, fast and able to handle the most common image formats including RAW images. Additionally it is possible to synchronize multiple viewers. A synchronization of viewers running on the same computer or via LAN is possible. It allows to compare images and spot the differences (e.g. schemes of architects to show the progress).

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.

Get ready to take your photos where no photo has gone before with Fotor.

gThumb is an image viewer and browser for the GNOME Desktop.

Adobe Photoshop Elements combines power and simplicity so you can make ordinary photos extraordinary; tell engaging stories in beautiful, personalized creations for print and the web; and easily find and view all your photos.

Features:Automated cache managementOn demand thumbnail and metadata generationOption to import photos and videos from your mobile device or digital camera on Mac Quickly organize and stack panoramic and HDR imagesImproved stability and performanceFlexible batch processingDrag-and-drop file flexibility Centralized color settings

Gwenview is an image viewer for KDE. It can load and save all image formats supported by KDE, but Gwenview can also browse GIMP files (*.xcf). Gwenview does not try to replace your favorite image editor, so it only features the most simple image manipulations: rotation and mirroring, but can be extended by installing KIPI plugins. When working with JPEG files, Gwenview performs lossless manipulations.