Ring4 - Manage business phone line as easily as you manage emails, in the cloud. Ring4 provide you with a business line and video conferencing solution.
EarTrumpet - Volume Control for Windows
Burner - Disposable phone numbers -- now with MMS photo support
Volume2 - Volume2 is an advanced Windows audio mixer, a complete replacement for the standard Volume Control.
quackr - Protect your privacy & identity with quackr. Use our free temporary phone numbers to receive SMS online now.
Sound Control - App-specific volume control