... and STEREO modes are available.
ServerGRIS has been developed by the Groupe de Recherche en Immersion Spatiale (GRIS) directed by Robert Normandeau and based at the Faculty of Music at Université de Montréal.
SpatGRIS and ServerGRIS are still working well but they are not supported anymore, They have been replaced by the duo ControlGRIS/SpatGRIS3 also available at SourceForge (August 2021)
Have a look at the them:
https://sourceforge.net/projects/spatgris3/