VIPSDISP: A quick viewer for jp2 files and for large files in general.

 https://forum.image.sc/t/new-version-of-vipsdisp-a-free-open-source-linux-image-viewer-for-very-large-images/70979

 

Seemed to work fine.  On Manjaro GNU/Linux I had to install a library: openslide.  After doing this, this program started fine.