MongoDB, MySQL, MSSQL, SQLite, MS Access
Amazon MWS, eBay, Facebook, Twitter, 2CheckOut, Paypal
Loopback, Angular, Laravel, CodeIgniter, React, Express, CakePHP, Bootstrap
Blade, Jade, Smarty
HTML5, CSS3, Phonegap
Wordpress, OSCommerce, Zencart, Magento, Joomla, etc...