SmartWindows.app - Auto arrange all your app windows, whether on one screen or many with a single click!
AIVA - The AI composing emotional soundtrack music
SANeForce - SAN Pharma Sales Force Automation
WaveBots Editor - Procedural music and sound maker that exports to Wav, MIDI, GoatTracker and much more.
ReIcon - ReIcon is portable freeware that enables you to save and restore your desktop layout.
WolframTones - Listen to what I just found in the WolframTones music universe