Spacer (Spectral Plugins)

https://spectral-plugins.com/products/spacer?srsltid=AfmBOorRxWBZmLHDHKrH4PCkfiA8cyaTdLWaOsVfNzhc3Wj_Pc6VAUCw

Reverb & Delay Calculator (Polarity Audio)

https://polarityaudio.com/product/reverb-delay-calculator/

Obliterate (Newfangled Audio)

https://www.newfangledaudio.com/obliterate