DB: MySQL, Oracle, mongoDB, PostgreSQL CMS: Wordpress, Joomla, Drupal, OpenCart, WooCommerce, JTL, Contao, phpBB Frameworks: RoR, Angular, Symfony, codeigniter, jQuery, jQueryMobile Technology: PHP, Python, HTML5, Ruby, node.js, coffe.script, SWIFT, JS, CSS, AJAX VCS: GIT, SVN, bitbucket