How about miniPaint? Its mostly in JS.
https://github.com/viliusle/miniPaint
Maybe Piwigo: https://github.com/Piwigo/Piwigo
How about miniPaint? Its mostly in JS.
https://github.com/viliusle/miniPaint
Maybe Piwigo: https://github.com/Piwigo/Piwigo
Not Fedora, but MX Linux and Antix are good for persistent installation on usb-sticks. See here: https://antixlinux.com/the-most-extensive-live-usb-on-the-planet/
Debian Stable as base OS, then activate unstable repos in a sandbox/container. Maybe even Distrobox for newer Apps.