Opensource:
- CMS ( Joomla, Wordpress, drupal ..)
- Ecommerce ( oscommerce, magento, prestashop, Zencart, cubecart ..)
- NMS ( nagios, zabbix openNMS ..)
- etc
ERP:
SAP,Oracle,Mesonic - Winline, Odoo, microsoft NAV
Programming
- PHP
- ASP
- .NET vb
- HTML/css/JS
OS
- Windows Family
- BSD
- Linux / *NIX
Decode/decrypt