AFEQ

upd: If you make plugin Bridged in FL Studio AND keep the buffer fixed, then you can use it, it seems like. Not completely sure as of now. Will try and make this work cause, honestly, I really want to.

I appreciate so many things about that. I instantly gave it a 4 out of 5 in the challenge. I really need that specific configuration for free - bandwidths and LR and all. I happen to think they are key. But. After adding a single band, this plugin instantly slammed my legit FL Studio with a bunch of crackle noise; then I turned the fixed buffers on for it (which fixed the issue), but not 5 minutes have passed for it to block my channel and cause even sends to get silent (loud DC signal and nothing else, unfortunately common for "self-written" plugins. So it's, basically, unusable for me.

I'd be very, very happy to change my rating if these issues resolve. It's a noble task you're after, great deal of interest from me. Free space doesn't get a decent fine-tunable LR equalizer for whatever reason... However, it just so happens that I really don't approve of plugins that might break my creative work later, that might not work down the line with no explanation and fix. EQ is rather replaceable, I get it, but still. I want my projects to last.

Good luck with everything and feel free to PM me if you need to.

P.S. Could you make ST-L-R, Band Shelf and especially bandwidth lists react to a mouse scroll? That saves me so much time in other products.