A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.
For Example
We welcome posts that include suggestions for good self-hosted alternatives to popular online services, how they are better, or how they give back control of your data. Also include hints and tips for less technical readers.
Useful Lists
I am not sure I understand your requirements. What functionality of Filebrowser do you want to see? Read only or or read-write?
Firefox has (had?) FTP support, you could just run an FTP server and connect from your normal browser.
You could use autoindex built into your web server. That'll be the most lightweight option possible.
If these are not what you are looking for, we need details. Lots more details.
dufs?