Sound Control - App-specific volume control
Music on Vine - Vine, now with music. Make 6-second music videos.
Volume2 - Volume2 is an advanced Windows audio mixer, a complete replacement for the standard Volume Control.
Lomotif - Instantly create and share awesome music videos
EarTrumpet - Volume Control for Windows
Typito - Web based drag-and-drop tool to create engaging videos with beautiful typography, images and brand layouts.