Producer Tim Cant runs through 5 of the most popular, some might say best, Mastering Plugins / Software (VST/AU) money can buy.
Barricade 4’s compressor and peak limiter is an especially transparent model that takes care of a signal’s highest peaks with an easy set of controls. It is great for anyone who’s not faint-hearted to get started with mixing through a limiter. With Magic AB 2, you can load up to nine reference tracks straight into the plugin and flick between these and your own track, comparing the lot in terms of level, loudness, and dynamic range.
Read more about this here: https://www.musictech.net/guides/buyers-guide/top-5-mastering-plugins/