Probably not what you are asking for, but if you would like to host on your own server, there is https://github.com/timvisee/send https://github.com/timvisee/se

Probably not what you are asking for, but if you would like to host on your own server, there is https://github.com/timvisee/send https://github.com/timvisee/send which is a fork of Firefox's Send. You get a web interface where you can drag and drop files. It uploads the files to your own server and you will get a link to share them.