Software

RUP, XP, USDP, UML, C, C++, JAVA, .Net, J2EE, XML, HTML, Assembly

Operating Systems 

Linux, Windows, Mac OS, Solaris and Unix

CAD Tools

MATLAB, Mentor Graphics, Mathematica, SPICE.

Standards

JBIG, JPEG, H.261, H.263++, MPEG2, MPEG4, MPEG7, ISDN, ATM