* '''Not properly languages''': SQL, HTML, CSS, LaTeX, GNU make.
* '''Operating systems''': Linux (Red Hat, Fedora, Ubuntu, SuSE, Debian), Mac OS X, Solaris (versions 6 to 9),
- NetBSD, AmigaOS, Windows (NT, WIN32 and WIN16).
+ NetBSD, AmigaOS, Windows.
* '''Frameworks/APIs''': POSIX, Qt, Gtk, STL, Boost, WIN32, MFC.
* '''Programming Techniques''': OOP, generic programming, metaprogramming, real-time, event-driven, multithreading.
* '''Development Tools''': GCC toolchain, GNU make, auto-tools, MSVC, XCode, Codewarrior, IAR, Code Composer Studio, BSO Tasking.
* Working on funding, partnerships and events.
==== Volunteer developer for One Laptop Per Child (May 2007 to Apr 2008) ====
- * CTO at OLPC Europe;
* In-house maintainer of the X11 windowing system;
* i18n, input devices and keyboard layouts;
* Miscellaneous OS development, packaging, release engineering;
* Porting existing applications to the OLPC environment;
- * Miscellaneous Linux kernel development.
+ * Miscellaneous Linux kernel development;
+ * CTO at OLPC Europe.
==== R&D director, founder and VP at Develer s.r.l. (November 2001 to present) ====
* Firmware, software, embedded and high-level development for several customers;