Design: UML.
Languages: Java (RMI, J2EE, Swing), Perl, C, C++, Tcl/Tk, Visual Basic, Pascal, FORTRAN, Scheme, LISP, Prolog, Smalltalk, Python,
Eiffel, Dylan, REBOL.
Database: Oracle (w/Java & PL/SQL stored procedures), MS SQL Server, MS Access, mSQL, MySQL, rdb; JDBC, ODBC; SQL, PL/SQL.
Platforms:
Unix, Mac OS, Windows.
WWW: HTTP, HTML, DHTML, XHTML, Javascript, CGI, applets, servlets, ASP, JSP, PHP, modperl, SSL, HTTPS, JNLP, WAP/WML, WebL, etc.
Network: TCP/IP suite, sockets.
Other: Unix shell scripting (sh, csh, ksh, bash); Mac OS AppleScript, MRJ; distributed technologies (CORBA, EJB); data interchange (EDI, SOAP, XML, XSL & related technologies); yacc and lex; SGML.