VT WSUS VTmig
SafetyNet is an open source web based application framework where authorized users proactively scan computer systems for security vulnerabilities. Features: Modular tools, history of results, designed for security, scalability and stability.
DictionaryFilter (dictFilt) is a open source custom password filter for Windows 2000. It is intended to add to the functionality of the built-in password complexity requirements of Windows 2000.