nomacs Alternatives
nomacs is described as 'Free, open source image viewer, which supports multiple platforms. You can use it for viewing all common image formats including RAW and psd images' and is a very popular Image Viewer in the photos & graphics category. There are more than 100 alternatives to nomacs for a variety of platforms, including Windows, Linux, Mac, Flathub and Xfce apps. The best nomacs alternative is IrfanView. It's not free, so if you're looking for a free alternative, you could try IrfanView or XnView MP. Other great apps like nomacs are FastStone Image Viewer, XnView Classic, qView and Gwenview.
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Alternatives list

Neo Simple X Image Viewer (nsxiv) is a fork of the now-unmaintained sxiv with the purpose of being a (mostly) drop-in replacement for sxiv.

- 65 Quick Picture Viewer alternatives
Quick Picture Viewer is a lightweight, versatile desktop image viewer for Windows. The best replacement for the default Windows photo viewer.


This program is a simple picture viewer and manipulator. Multiple images can be opened at once for viewing and editing. The program includes several painting tools and effects that can applied to images. It is freeware/open source.



Seamlessly browse and share images directly from your menu bar application, with support for tagging, searching, and drag-and-drop functionality. Experience full keyboard control and effortless integration with the pasteboard, enabling automatic image collection and streamlined workflows.



Unifie is a fast, thumbnail-focused image viewer with dual viewing surface that lets you see two folders of images side-by-side for easy comparison.






sxiv is a simple image viewer for X. It only has the most basic features required for fast image viewing.
- 42 Mirage alternatives
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.
Cost / License
- Free
- Open Source
Application types
Alerts
- Discontinued
Platforms
- Linux
- Xfce


Lenscape is a macOS photo viewer software optimized for Apple Silicon. It allows users to view, manage, and customize their photos and videos in various modes like gallery, full screen, or thumbnail. Users can also select photos and videos to move, copy, trash, or share them.
Cost / License
- Free
- Proprietary
Platforms
- Mac


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