Unix tools on Windows
http://unxutils.sourceforge.net/
http://getgnuwin32.sourceforge.net/
MD5
http://md5deep.sourceforge.net/
REGEDIT4
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Folder\shell\Command Prompt]
@="Cmd Prompt"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Folder\shell\Command Prompt\Command]
@="cmd.exe /k cd %1"
Nartac IIS Crypto
https://www.nartac.com/Products/IISCrypto