Here’s a list of the finest freeware reverb plug-ins.

Denis Tihanov Oril river

Platform Mac/PC, VST, 32/64-bit

Download here from KVR

MuVerb


Platform PC/Mac, VST, 32/64-bit

Download here from MuVerb

Magnus Ambience

Platform PC/Mac, VST/AU, 32/64-bit

Download here from Magnus

Stone Voices Ambient Reverb

PlatformPC, VST, 32/64-bit

Download here from KVR

TAL Reverb 3


PlatformPC/Mac, VST/AU/AAX, 32/64-bit

Download here from Togu Audio Line

u-He Protoverb


Platform Mac/PC, AU/VST/AAX, 32/64-bit

Download here from u-He

Voxengo OlskoolVerb

Platform Mac/PC, AU/VST/AAX, 32/64-bit

Download here from Voxengo