Sampler - Visualization dashboard for any shell command.
JN Soundboard - An open-source hotkey soundboard program
devdash - DevDash is a highly configurable terminal dashboard for developers
Soundboard Studio - Soundboard Studio lets you take your podcast, live show, gig or performance to the next level.
WTFUtil - The personal information dashboard for your terminal.
Soundplant - Play sound files with the computer keyboard