• C# (incl. ASP.Net, ADO.Net, WPF, Winforms, WCF, WF, Silverlight, MSIL), Mono (Monotouch, Moonlight)
• Delphi, Borland Pascal
• DSL’s (interpreters, meta-compilers, interfacing, IL’s)
• Scripting in UNIX shell environment (exp. in tools such as awk, sed, grep, grep )
• LISP family languages (Allegro LISP, SBCL, GCL, Lush, EmacsLISP), Scheme family languages (R2-5RS, Tiny, Mz, PLT)
• ANSI-C (experienced in kernel/user level programming, modules) , Cyclone, C++ ( GSL, STL, boost)
• Perl
• Erlang, YAWS,
• Tcl/Tk
• LLVM , yacc/flex/bison
• R, Scilab, Mathlab/Simulink, Maple, Octave, Maxima
• Spit of protocole languages, configuration and descriptive languages (ASN, RDF, SDL)
• Relational databases, incl. Transact SQL, ACID methodology, non-relational DB, Knowledge bases, HyperDB, SPARQL
• DOM/XML/XSLT , Xpath , Cyc
• PHP / Zend
• Regular Expression, EBNF, Chomsky hierarchy Goddes
• and variety of frameworks and inner-application languages (such as GEGL, TScheme, others)