EigenD is a general purpose music performance environment that is now completely freely available and has been open-source for a few years. It has been created for the Eigenharp instruments, but was from the get-go designed as a common platform for all digital music instruments and controllers.
EigenD can be downloaded from:
EigenD’s sources are available on GitHub:
Here’s a demo video of how I use EigenD to configure a live performance environment for my electric guitar, combining the power of my favorite plugins into a single comprehensive configuration.