NTSet 

A Delphi/C++ component pack to easily acess Windows API: Windows services, event logging, user privileges and credentials, shared devices, file access rights, registry security, remote administration, scheduling and messaging, network browsing etc.
delphi c++ services event log userman sharing security privileges registry network server info send messages browse networks

Message Killer 

Have you ever had an advertisement pop-up out of nowhere on your desktop? This message was sent to your computer through a built in feature that Microsoft included in your copy of Windows 2000, NT, or XP.
pop-up messenger spam block blocker ads messages