Pro-Audio Files’ Ian Vargo has recently released a new course called Mastering in the Box, for those who wish to master the art of mastering. with this, in mind here is a list of some of the best plugins you can find for free. If you are on a budget or simply loves freebies try these 5 plugins for a better quality mastering without too much of the cost.
Since metering is essential for mastering the first on the list is Voxengo Span, providing users versatility in spectral analysis, metering, and clipping detection. With a simple and clear yet fully customizable interface.
Read more here: https://theproaudiofiles.com/free-mastering-plugins/