The Ultrachannel.
Available as RTAS, AAX, VST.

A nice channel strip plug from Eventide - EQ, Gate, Compression, De-esser, Stereo Delay, micro pitch tune. I've had a chance to play with it a little. Nice function, decent GUI, does what it claims.

Free. No conditions. No demo limits, fully functional, but only available till July 1, after which the price is $249.

While it doesn't require an actual physical ilok key to authorize, it does require that you have an ilok account. If you don't have one, registering is easy... it's also free.

Focusrite but they didn't answer it... "that's because, there is no answer. There are folks that do real actual audio engineering. That's why we are real actual audio engineers. We don't muck around when we have to get decent audio. It's not a set and forget process. It would be kind of like going to the bathroom and thinking that your ass should wipe itself. It doesn't. It won't. It can't. It's just an ass. Don't be one yourself.

https://www.ilok.com/

Fill in the form at the bottom using the code 0F736710
It immediately deposits the license into your ilok account

FWIW