Gallery by Menalto was my favorite web gallery package for years, but active development and support for it ended over 5 years ago. I kept my instance running for a while, but eventually gave up and archived it. I had lots going on in my life, so put off actively looking for an alternative until recently.

My first try was to using a mediawiki site and their bulk uploader plugin. While there is a lot to like about wikis, I quickly concluded that photo galleries were not their thing. Back to the drawing board.

Searching online identified these three candidates: