Programming Languages:

• C, C++, Python, Java, Pascal, Objective-C.

Platforms:

• GNU/Linux, Windows, MacOSX, FreeBSD.

Web Development:

• Programming Languages: Python, Ruby, PHP;
• Web Frameworks: Django, Ruby-on-Rails;
• Web Standards/Technologies: HTML, XHTML; Javascript; CSS; AJAX.

Documentation:

• DocBook; LaTeX; Wiki; Javadoc.

Markup Languages:

• XML; SGML.