Mirage is a fast and simple GTK+ image viewer. Because it depends only on PyGTK, Mirage is ideal for users who wish to keep their computers lean while still having a clean image viewer.
Platforms
- Linux
- Xfce


One of the most popular alternatives to nomacs is IrfanView, which is free for personal use. Other popular alternatives are XnView MP, ImageGlass, FastStone Image Viewer and qView. Image Viewers like nomacs are a crowded field, with more than 100 alternatives for Windows, Linux, Mac, Android and iPhone.
Mirage is a fast and simple GTK+ image viewer. Because it depends only on PyGTK, Mirage is ideal for users who wish to keep their computers lean while still having a clean image viewer.


µPhotos is a fast OpenGL-based cross platform immersive photo viewer and organizer. Here is a list of features, that make µPhotos special:

A new image viewer that has nice features like identifying and generating colors from image, changing colors of image with color adjustment and color matrix tools, crop & split image for Instagram, TIF/GIF Animated extractor, batch functions.




Imaginario is an open-source, cross-platform photo manager for the desktop with a version optimized for mobile devices running Ubuntu. It features built-in filterable search, great tagging with hierarchical categories and automatic face-tagging and more.




GPicView is a simple and fast image viewer with low memory usage. This little program is not aimed to be powerful or feature-rich. Its aimed to replace the default image viewer of current desktop systems.

A lightweight image viewer that allows you to view frequently used image format files quickly, and provide a Stay-on-Top window setting so you can use it to pin a reference image at the top to work with other software.







WinAppsLab Photo is a lightweight Windows photo viewer with map view, smart albums, custom tags, and OneDrive support, built for faster and smarter photo browsing.




Phiewer is the easiest and fastest way to view your images, videos and even audio files. It's folder based so you can just browse your media in one window without any extra clicking and selecting.





A fast and powerful file browser, ideal for viewing RAW images, as well as searching and sorting your media libraries.