Jingle Palette - Jingle Palette application was designed to be an instant jingle player for radio broadcast studios.
CasterSoundboard - A soundboard for hot-keying and playing back sounds. (For podcasting)
Jingle- Music & Socialmedia - Jingle- Music & Socialmedia is the most popular social app for music lovers, that enables you to listen to songs on your music player or music apps.
JN Soundboard - An open-source hotkey soundboard program
Soundplant - Play sound files with the computer keyboard
qwertyGO! - With qwertyGO! you are able to trigger sounds and songs with your computer-keyboard or midi-device.