aims to implement functions (not present on Windows 98 / ME) to kernel32.dll and other system libraries so that recent Windows XP applications and games work on Windows 98 / ME. (requires Windows 98 FE or Windows 98 SE or Windows ME)
a collection of utilities and technical information related to Windows internals by Mark Russinovich and Bryce Cogswell. Microsoft acquired Sysinternals in July, 2006.