qimgv vs Phototonic
When comparing qimgv vs Phototonic, the Slant community recommends qimgv for most people. In the question“What are the best FOSS image viewers for UNIX-like systems?” qimgv is ranked 1st while Phototonic is ranked 15th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Simple UI
Pro Fast and lightweight
Pro Can support video playback
Experimental feature via libmpv.
Pro Customizable shortcuts
Can use a variety of short-cuts which can be customized.
Pro Beautiful
Pro Open-Source/Libre
Pro Supports Linux and Windows
Pro Ability to run shell scripts
Pro Plugin support
Can extend/add features by downloading or writing your own plugins.
Pro Clean and functional UI
Beside being pretty clean and easy-to-use, the UI is also pretty fast.
Pro Can be easily keyboard driven
Lots of pre-defined keyboard shortcuts.
Pro Highly customizable
Lots of options to personalize your experience. You can set Photonic to fit images by width and height, or width or height; rotate according to Exif orientation; show/hide image name in viewer; adjust space between thumbnails; adjust delay between slides.
Cons
Con No support for JPEG-XL
Con Can't show CMYK colours
Con No Dark mode
And not a lot of customization available.