• LAMP(Linux, Apache, MySQL, PHP)
• Zend Framework
• Joomla CMS
• Smarty template Engine
• OsCommerce

• JSP/Servlet
• Struts Framework
• Applet/Swing
• SIP Servlet
• JAIN SIP Server

System Programming

• MFC(Microsoft Foundation Classes)
• GTK-GUI for X-Window
• GCC-GNU Compiler