“Sphere is an easy to use and free reverb plugin that can add depth and live to any sound material.
The reverb is based on a modified Schroeder reverberator with added predelay and supports stereo channels only.
The plugin UI has been created using vector graphics and supports blur free resizing.
- Simple controls for reflection, damping and width of the room
- Predelay with up to 250 ms with optional filtered feedback path
- Separate dry and wet levels
Windows: Windows 8 or higher, 64bit host
Mac: macOS 10.11 (El Capitan) or higher, 64bit host. macOS 10.15 (Catalina) is supported”
Source : sonicbits.com