The developer by the name of "Variety of Sound" has recently released a free reverb plugin aimed at ambient and cinematic music, called "Epic Clouds":
epicCLOUDS – creating beautiful ambient clouds and textures The ambient reverb is specifically designed to emulate the reverberation characteristics of large, open spaces or natural environments. I…
varietyofsound.wordpress.com
The plugin is Windows-only, available in VST and VST3 formats.
From what I read, it specialized in huge-sounding reverb sounds, incl. those of the open spaces.
As I often compose and produce music in ambient and cinematic styles, I'm rather intrigued by this and whether it offers something different in comparison to my go-to Valhalla collection (Room, Shimmer, Supermassive). As a K14 owner, I also have access to Raum, which I like more and more.