Voicemeeter - Audio Processing and Audio Programming by V.Burel
Guitarix - Guitarix is a simple Linux Rock Guitar Amplifier for https://alternativeto.
Virtual Audio Cable - Ever wanted to record your speaker output? (loopback) This is for you.
GNUitar - GNUitar is guitar effects software that allows you to use your PC as guitar processor.
Soundflower - Soundflower is a Mac OS X system extension that allows applications to pass audio to other...
Ampire - State Space Modeled guitar amp/cab/stompbox simulator.