Check the FSF's violations of GNU licenses page. You can also email the FSF's licensing and compliance lab at licensing@fsf.org and our team would be happy to assist.

Xonotic

Probably the Free Software Directory.

For DAW, you may also want to check out Zrythm and Ardour.

The patent was about a "sorting system". More info here.

That's true. It's the human element that creates the political attribute.

You are thinking of software as if it exists in a vacuum. Software that is libre is a political statement. Software that is proprietary is also a political statement. Lemmy choosing to be decentralized/federated/interoperable is also a conscious political decision just as Apple chose to create its own proprietary ecosystem instead of caring about interoperability.