Group privileges software: RunAs with a nice graphical user interface, Local Users and Groups for Windows XP Home, Lets you drag and (un)group taskbar buttons and more.
XP Home User Manager extends the limited functionality of native XP Home and Vista Home (both Basic and Premium) user account management tools and allows manipulating users and user groups with graphical user interface. With User Manager you can easily assign privileges to users. For example, you can allow regular users to change system time, edit password or account expiry time, change home directory or profile path.
Local Account Manager is an award winning local users and groups management tool for Windows XP Home. By Default Local Users and Groups and User Rights Assignment MMC (Microsoft Management Console) snap-in available only on the Windows XP Professional operating system. With Local Account Manager you do need to enable this snap-in, you can easily add, modify, delete users and groups (manage security accounts), assign user rights and privileges!
With Win Control you can not only define the access rights each of your users should have, you can also protect the Windows Desktop from unauthorized manipulation. You can even define access privileges to system functionality for each user. Finally make an end to deleted or moved links, unlicensed copies of programs, unauthorized screensavers and most of the other vandalism to a Windows 2000/NT and Windows XP system users can think of.