Windows System Control Center is described as 'WSCC is a free (for personal use), portable program that allows you to install, update, execute and organize the utilities from various system utility suites. WSCC can install and update the supported utilities automatically' and is a popular system information utility in the os & utilities category. There are nine alternatives to Windows System Control Center for a variety of platforms, including Windows, Web-based, BSD, PlayOnLinux - PlayOnMac and Wine apps. The best Windows System Control Center alternative is PortableApps.com, which is both free and Open Source. Other great apps like Windows System Control Center are Sysinternals Suite, LiberKey, NirLauncher and SyMenu.
WSCC is meant for use WITH the Sysinternals Suite (and/or the NirSoft suite and/or other tools), not INSTEAD of them. (Except, you know, NirLauncher obviously.)