Client OS: Vista, Xp, 2000, Linux OS, Mac OSX, Snow Leopard, Windows 7, Linux Client OS.
Server OS: Linux, Unix, Solaris, Windows Server 2008, 2003, 2000, Novell, Sun J2EE, WME, etc.
Web Servers: Apache, Tomcat, IBM, HTTP, Weblogic, Cobalt, Microsoft IIS7, II6, Cobalt, Red Hat Linux, Konqueror
E-Mail Servers: Microsoft Outlook 99+, Netscape Communicator 4.51+, Mozilla Thunderbird 1.0+, Exchange 2010, 2007, 2003 Lotus Dominos, SmarterMail, Qualcomm Eudora 6.2+, Mulberry Email 3.1.6+etc
Control Panels: Ensim, Hsphere, Helm, Plesk6+, DotNet Panel and more.
Proxy, Routers, Firewalls: ISA 2006, CISCO, Microsoft ISA 2004, etc.