Taskbar Shuffle is a simple, small, free utility that lets you drag and drop your Windows taskbar buttons to rearrange them. Here’s a full feature list:
– Reorder your taskbar buttons by dragging and dropping them
– Reorder your tray icons in the same way
– Reorder tasks in a grouped button’s popup menu in the same way
– Middle-click to close programs on your taskbar
– Works with UltraMon taskbars
– Tweak taskbar button grouping