I'm working with several Open Source projects, all of them hosted on Google Code. Mostly I prefer C and C++, and for web-applications PHP.
Also helping in the development of the Bitcoin infrastructure; specifically for using bitcoin in stores.
Q&A for professional and enthusiast programmers
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Q&A for computer enthusiasts and power users
Q&A for enthusiasts and power users of the Android operating system
Q&A for professional system and network administrators
Q&A for professional and independent game developers
Q&A for Ubuntu users and developers
Q&A for Bitcoin crypto-currency enthusiasts