iZotope Ozone 11 Standard

I've used versions of Ozone for over 15 years now, and you won't find a track I've produced that doesn't have this plugin on the master. The limiter is very adjustable and high quality (it's my go-to limiter in general, it can be very transparent if you want), the eq (whether the bundled one or even the free one) is top notch as well. The AI tool isn't all that great IMO - it seems to really accentuate my highs and in general, just touches things way too much. I like to do as much as I can in the mix, so I don't ask too much of my mastering plugins, but Ozone does everything I ask and more. The imager is a great tool as well, and is something I almost always have on my reverb send to get that wider stereo image. Overall, a top notch tool box with quality tools!