XNeat Taskbar Utility

[evilfantasy]

XNeat Windows Manager adds additional features to the Windows taskbar and system tray.

Windows XP - Vista



XNeat Homepage

Features:

• Taskbar sorter that arranges taskbar buttons
• Keep windows always on top of other windows
• Send any window to the system tray
• Make any window transparent
• Tweak the taskbar appearance
• Hide any window
• Switch active window faster
• Improves productivity by making frequently-used applications faster to locate

[Broni]

If you want just first feature: "Taskbar sorter that arranges taskbar buttons", Taskbar Shuffle will do: http://www.snapfiles.com/get/TaskbarShuffle.html
I use it, very handy.

[Aegis]

Both good recemmendations, as usual.   Thank you!