Freeware - SocaLabs MVerb2020 VST Plugin

https://www.kvraudio.com/product/mverb2020-by-socalabs

Based on Mverb by Martin Eastwood Audio. Studio quality, open-source reverb. Its release is intended to provide a practical demonstration of Dattorro's figure-of-eight reverb structure and provide the open source community with a high quality reverb