WSCC allows you to install, update, execute and organize the utilities from various system utility suites. WSCC can install and update the supported utilities automatically. Alternatively, WSCC can use the http protocol to download and run the programs. The portable edition doesn't require installation and can be run directly from a USB drive.
WSCC supports the following major utility suites:
System requirements
The setup packages and updates are downloaded directly from their author's website!
Sysinternals Suite is property of Microsoft Corporation.
Sysinternals Suite download and Licensing FAQ website.
NirSoft Utilities is property of Nir Sofer.