- * **Operating systems**: Linux (Red Hat, Fedora, Ubuntu, SuSE, Debian, uClinux), MacOS X, Solaris (versions 6 to 9),
- NetBSD, AmigaOS, Windows
- * **Frameworks and APIs**: POSIX, Qt, Gtk, STL, Boost, WIN32, MFC, Berkeley sockets and TCP/IP
- * **Programming Techniques**: OOP, template metaprogramming, generic programming, real-time systems, event-driven design, multithreading
- * **Development Tools**: GCC toolchain (contributor), MSVC, XCode, Codewarrior, IAR, Code Composer Studio, BSO Tasking
- * **Version Control**: Git, Subversion, CVS, Rational Clearcase, Source Safe, Perforce
+ * **Operating systems**: Linux (Arch, Red Hat, Fedora, Ubuntu, Debian, uClinux), Android, MacOS, Solaris, NetBSD, AmigaOS, Windows
+ * **Development Tools**: GCC toolchain (contributor), LLVM, MSVC, XCode, Codewarrior, IAR, Code Composer Studio, BSO Tasking
+ * **Frameworks and APIs**: POSIX, Emscripten, Qt, Gtk, OpenGL, STL/Boost, WIN32, MFC, Protobufs, Google APIs
+ * **Programming Techniques**: OOP, template metaprogramming, multithreading, real-time and event-driven systems
+ * **Version Control**: Git, Subversion, Perforce, CVS, Clearcase, Source Safe