C/C++
C#/.NET
J2EE/SE/ME
PHP5/HTML/CSS/JavaScript/AJAX
БД: MySQL, PostgreSQL, MSSQL, SQLite
Frameworks:
C/C++ : wxWidgets, Qt
PHP : Yii, Symfony, CodeIgniter, ZendFramework
JS : jQuery, Dojo, MooTools
CMS:
Diem, WordPress, Joomla, Typo3, SilverStripe etc...