CasterSoundboard - A soundboard for hot-keying and playing back sounds. (For podcasting)
Teleconsole - Teleconsole is a free service to share your terminal session with people you trust.
JN Soundboard - An open-source hotkey soundboard program
Shell Notebook - MacOS Terminal, reimagined
Soundplant - Play sound files with the computer keyboard
TermHere - “Open Terminal Here” shortcut for Finder