JN Soundboard - An open-source hotkey soundboard program
productboard - Beautiful and powerful product management.
CasterSoundboard - A soundboard for hot-keying and playing back sounds. (For podcasting)
ProdPad - ProdPad helps your team gather ideas, surface the best ones and turn them into product specs, and then put it all on a product roadmap.
Soundplant - Play sound files with the computer keyboard
ProductPlan - Cloud-based product roadmap software solution