I’ve seen people mention Anubis, the other one I heard about in a blog post that’s maybe worth looking into is go-away.

Honestly I hate all these file sharing self hosting things. Looking at you nextcloud owncloud syncthing seafile etc. They all suck. All I want is NFS support in android, that’s my only pain point accessing my files from anywhere from my home network. I can already VPN/wireguard into my network from anywhere, but I can’t grab an ebook or mp3s off my NFS server from my phone or tablet, I have to have some other dumb infrastructure for it. Just (#@$^* put NFS in android already!!!

/endrant