EarTrumpet - Volume Control for Windows
SoundSwitch - SoundSwitch makes it easier to switch playback devices (sound cards).
Volume2 - Volume2 is an advanced Windows audio mixer, a complete replacement for the standard Volume Control.
MicMute - MicMute is a small program that will enable you to easily manage the level of a connected...
Volumouse - From authors website:
AudioSwitch - AudioSwitch - A software to switch between your PC's audio outputs and inputs