tmux - tmux is a terminal multiplexer: it enables a number of terminals (or windows), each running a...
UVI Falcon - Sampler/synth hybrid instrument
GNU Screen - Screen is a full-screen window manager that multiplexes a physical terminal between several...
Pianoteq - Pianoteq is a virtual piano that runs on your computer.
Zellij - A terminal workspace with batteries included
LinuxSampler - LinuxSampler - free, open source pure software audio sampler with professional grade features.