A couple of handy free plugins this month from quality maker that are worth mentioning.
A Unique free Reverb from Eventide - Temperance Lite lets you control reverb resonances using the familiar 12-note chromatic scaled. Free until the end of December.
UAD emulation of the Showman amp Made popular the likes of Dick Dale , The Beach Boys, Keith Richard. - A word of warning on UAD is that it does like to run it’s application in the background. Available for free until the end of October.