[smnc]

Any recommendations?

[conradfr]

The hotly debated P42 https://www.pulsarmodular.com/product/p42-climax-line-amp/

The popular Kelvin Tone Shaper https://www.toneprojects.com/kelvin-tone-shaper.html

Maybe you want tape? London Acoustics Tapei https://www.londonacoustics.com/product/taipei-studio-tape-r...

As for freeware, the comeback of Variety of Sound with https://varietyofsound.wordpress.com/2021/11/30/tesslase-mki... or the less subtle https://kitplugins.com/pages/burier-free

This is just a part of (good) saturation plugins from 2021...

[peapicker]

Not from 2021, but in May 2020 Fabfilter’s update to Saturn 2 is great, and the original was already a fantastic Saturation plugin I’ve used a lot.