PageXchanger 

PageXchanger for IIS eliminates file extensions from URLs and source code for a more secure and user-friendly Web site. Port80's powerful content negotiation tool shortens URLs, hides underlying technology, and eases platform transitions.
security iis hide cut strip file extension file extensions migration migrate content negotiation clean url persistent urls cool urls cool uris

VolumeTouch 

A freeware replacement utility to replace the Windows speaker icon. Controls the master volume. Supports various keyboard and mouse shortcuts. Supports mute/unmute, access to andvanced controls, skins and more. Easy configuration.
speaker icon volume control volume adjustment speaker icon replacement desktop enchantment