It offers 4 modes, limiting, clipping, saturation and multiband limiting, but the cool feature is the ability to blend them!!
You can learn more about this plugin here:
https://unitedplugins.com/FireMaximizer/
Intro Price is 29€
Regular Price 119€
In the website you can download the demo, if you want to have an idea before try it by yourself you can take a look at the following video