Operating Systems	Unix, Linux, Windows98/2000/XP/NT, DOS, Mac OS.
DBMS	Oracle, ObjectStore, MySQL, MS-Access, Dbase.
OO and functional modeling	UML, Design patterns, Merise.
Modeling Tools	TogetherJ - Rational Rose.
Networking	OSI, TCP/IP, IPV4--IPV6, HDLC, Ethernet, and SDL.
Web technologies	Web server Tomcat, XML, Java Script, Php, Perl, CGI,JSP, Servelet, J2EE, Web services.
Programming languages	Java, C, C++, Visual Basic, Pascal, Cobol, and Assembler.
Software	Websphere, Weblogic, Eclipse, Datrix, Discover.
Mobile Development	J2ME, Objective C