nomacs is mentioned in best photo viewers for Windows 10
Our software library provides a free download of nomacs 3.1. This free software is an intellectual property of Markus Diem, Stefan Fiel and Florian Kleber. The software is included in Photo & Graphics Tools. Our antivirus scan shows that this download is clean. The file size of the latest installer available is 33.7 MB.
From the developer:
Nomacs is a free image viewer, which supports multiple platforms. You can use it for viewing all common image formats including RAW and psd images.
You may want to check out more software, such as nomacs - image lounge, which might be related to nomacs.