I was browsing through the issues of extrepo and found deb-get, seems pretty useful too:

> deb-get makes it easy to install and update .debs published in 3rd party apt repositories or made available via direct download on websites or GitHub release pages.

https://github.com/wimpysworld/deb-get/

In particular, the list of software is a bit longer than extrepo (e.g. includes zoom):

https://github.com/wimpysworld/deb-get/blob/main/01-main/REA...