@opal I'm pretty sure that's just the assumed all rights reserved Berne convention license in sentence form.
Or, exactly why open source software requires licenses.
@skunksarebetter Yes, I often run into software which I would like to use and maybe implement into my own projects, and I find out that they do not have a license. I have been able to open an issue in some and get them to put a license on it though.
Fosstodon is an English speaking Mastodon instance that is open to anyone who is interested in technology; particularly free & open source software.