OS X, Windows 7, Linux, Vista, MS-Windows XP, Win2003, Win2k, 98, 95, NT 3.5, NT 4.0, 3.1, MS-DOS, SCO Open Desktop (UNIX/X-Windows), VAX-8350 (ULTRIX), PC–XENIX
C/C++ (PC, UNIX and embedded), Java, Java Script, C#, Visual Basic, VB Script, XSLT, SQL, VBA, php, Perl, Pascal, Fortran, 80x86, 8080, Z-80, 80C51, 6809 and 6502 assembly code
Open standards: ESPI, XML, HTML, HTTP, ANSI C12.19, IEC 61968 (CIM), IEC 62056 (COSEM), SEP2.0, COM/DCOM, UDP/IP, TCP/IP, RDP (RFC 1151), RS-232, MMS, HDLC, TFTP (RFCs 1350, 2348, 2349), ASN.1, ACSE, SMTP, SMS, WCTP
DoD/US Military: Mode VII (AN/GYC-7, HDLC LAP B based), DNVT, DSVT, TA-838, Common Channel and In-band Trunks (AN/TTC-42), Commercial Trunk & Loop, Autovon
Eclipse, gcc, SoapUI, selenium, MS-Visual C++, MS-Visual Basic, Enterprise Architect (UML), Win32, MFC, STL, ATL, ASP, ODBC, ADO, OLEDB, Windows Sockets API (using the MFC), TAPI, Visual InterDev, MagicDraw (UML), Object Engineering Workbench (Object Oriented CASE tool – ‘UML’), Rational Rose for C++, XVT Portability/GUI Toolkit & Object Library, Borland C/C++ for Windows, YACC, InstallShield, Wise for Windows Installer, Flex Motorola 68k simulator, /n software IP*Works
MySQL, MS-SQL Server 6.5,7.0, MSDE, MS-Access, CodeBase ‘C/C++’ database library
VMware, Subversion, Github, jProfiler, Schematron, Multi-threading, MSMQ, IIS, MS-Project, HP OpenView, 3-tier architecture, Visual Source Safe, SCCS, SABLIME, Catalyst & Primavera, MathCad, DSP and miscellaneous image processing algorithms, VectorCAST C/C++ unit testing tool