I was looking for the same thing when I accidentally deleted a video from Google Photos app a month back. I didn't find any opensource ones, so I ended up using one from the playstore. Tried a few and turned off wifi before opening them, because I was sure they were going to have a lot of ads and generally don't want anything uploaded without me knowing.
One app worked (I don't even remember the name), then deleted it right away.
What services do you run on FreeBSD? Does using FreeBSD limit you in the number of apps you can have, as most of them target Linux?