No specific info about version 3.9. Please visit the main page of Jamulus on Mac Informer.
GSound is a ray tracing sound propagation and rendering library.
SdrDx is an open source SDR software for Mac computers.
Sound Sculptor Pro is a high quality audio editing program for the Macintosh.
Jammr allows you to play live online jam sessions with other musicians.
Blackjack Card Counter is the easiest way to learn card counting on the Mac.