freePHPgallery
file explorer and picture gallery β web-based, easy-to-use and free
freePHPgallery is a web-based, easy-to-use and free file explorer and picture gallery software written in PHP.
freePHPgallery is designed for mobile phones, tablets and desktop computers, and features an multiple language web-presentation.
freePHPgallery only requires PHP. It does not need a database or any other additional software.
A sample installation can be seen and tested here: https://freephpgallery.sourceforge.io