Convergence is an awesome compressor plugin with up to 4 bands for free - RouteNote Blog
Top 7 FREE Mastering Compressors - YouTube
Good Free Limiter Plugin For Mastering
The best free VST compressor plugins 2022: must-have dynamics processors for your DAW | MusicRadar
6 Free Compressor Plugins That Absolutely Slap (Audio Demos Inside!)
9+ Best FREE Compressor VST / AU Plugins | ProducerSpot
SPL Iron Mastering Compressor From Plugin Alliance - What Difference Does Rectifier Choice Make To The Sound? | Pro Tools - The leading website for Pro Tools users
I migliori plugin VST per compressori
Infinity - A Freeware Mastering Compressor VST Plugin!