Autoruns - See what programs are configured to startup automatically when your system boots and you login.
Dexpot - If you don't have Dexpot yet, the new update makes it a must-have tool for Windows, adding a ton of features to your desktop that you never knew you wanted.
Tron Script - Tron is a glorified collection of batch files that automate the process of cleaning up Windows systems.
VirtuaWin - VirtuaWin is a virtual desktop manager for the Windows operating system (Win9x/ME/NT/Win2K/XP/Win2003/Vista/Win7/Win10). A virtual desktop manager lets you organize applications over several virtual desktops (also called 'workspaces').
SKTools - SKTools is a multi-featured and easy-to-use application that is bundled with over 60 tools to help you boost the performance of the system.
Sysinternals Desktops - Desktops allows you to organize your applications on up to four virtual desktops.