Logonuser 

Complette COM interface to Windows NT/2000/XP local or domain account database. Contains simple powefull objects for creating, deleting, managing and enumerating user accounts, groups, servers and domains in ASP, WSH, IE, VBA, VBS/JS and T-SQL. You c......

RunAsUser DLL can be used by developers whose software needs to execute an application in the security context of a certain user. RunAsUser DLL is a Dinamic Link Library (DLL) which allows creating processes as a user while another user is logged on ......

 Logonuser