Developer, using primarily OpenSource technologies.

Short list of known/used stuff

• Operating systems: Linux (Gentoo, Debian, Fedora, Ubuntu)
• Programming languages: Python, JavaScript, CoffeeScript, BashScript, PHP, (some) C, (some) C++, (a bit of) Java
• Frameworks and CMS: Django (Python), jQuery (JavaScript), Drupal (PHP), web2py (Python), SQLAlchemy (Python)
• Web development languages: HTML, CSS, SCSS, LESS
• Databases: MySQL, PostgreSQL, SQLite, MongoDB, OpenLDAP, Redis
• Geographical systems: MapServer, MapScript (with Python, PHP), PostGIS
• Standard Linux/Posix tools: sed, grep, awk, ...
• Version control systems: git, mercurial, svn, cvs (used some times)
• Professional IDEs: Emacs, PyCharm, Eclipse
• Some sysadmin skill: Apache, Nginx, Bind, Postfix, Bacula, iptables, dhcpd, openvpn .. but that's not my primary job
• Also, I'm doing some electronics experiments with (and without) arduino & co.