Microsoft's PowerToys work with VS 2003 only. The latest release in the series is VSMousebindings, a tool for assigning mouse buttons to Visual Studio commands.
Earlier PowerToy releases for VS 2003 are as follows:
VSWindowsManager, for designing custom window layouts
VB Commenter, for quickly adding comments to VB source code
VSTweak, for modifying some of the most obscure VS options and settings
VSEdit, a command-line tool that lets you load files into a currently running instance of VS 2003
Custom Help Builder, for producing XML-based Visual Basic or Visual C# help files that can be fully integrated into VS 2003
Some VS 2003 users have complained online to Microsoft that, after installing Custom Help Builder, they get notifications that the tool is not installed. Microsoft has promised a Custom Help Builder fix.
Meanwhile, Microsoft is readying two more PowerToys for VS 2003:
VSCMShell Window, a tool that will permit use of the same window for accessing both the VS Commands window and the external CMD.exe process
VSTransparency, enabling creation of "semi-transparent" floating windows and pop-ups so that developers can see through to the code beneath