1)   My System Tray Icon 1
Power Monitor Off , Restart Computer , Log Off , Shut Down , Increase/Decrease Volume , Mute/Un-Mute , Run Program/Open File , Toggle Use Proxy by defining Hot Key for each/any one of them. All the features can be accesses using Right Click on System

 2)   IndieVolume 2.1.66.132
IndieVolume allows every application have separate volume/mute level, independent from other applications volume/mute level. It allows per-application selection of playback device. It allows to mute any application when selected applcation is playing

 3)   NookNak 2004 V1.0.0
You can use it to quickly mute music when you want to talk to someone or hide confidential information quickly. You can also use NookNak to disable and re-enable screen saving easily and start your favorite program. Have music while you work.

 4)   UIFriend 2.0.2
UIFriend provides easy and powerful quick resolution changing, intelligent behind-the-scenes protection of your desktop icon layout, a better looking desktop, display setting management for multiple users, and increased screen saver power.

 5)   Audio Control 4.234
Audio Control is an audio mixer, replacement for the standard Windows Volume Control. It is very useful for its ergonomic design, extended functionality, saving space, easy access and improved precision, intuitive interface, idling features, etc.

 6)   Automuter 1.2
Automuter is an application that stays in system tray notification area (near windows clock). It can mute speakers when computer is locked, when screensaver is running. Alternatively, you can set up you own silent time schedule or mute by hotkey.