- * **Version Control**: Git, Subversion, CVS, Rational Clearcase, Source Safe, Perforce
+ * **Frameworks and APIs**: POSIX, Qt, Gtk, STL, Boost, WIN32, MFC, Berkeley sockets and TCP/IP, Google APIs
+ * **Programming Techniques**: OOP, template metaprogramming, multithreading, real-time and event-driven systems
+ * **Version Control**: Git, Subversion, CVS, Clearcase, Source Safe, Perforce