PHP: Yii2, Laravel, CodeIgniter, CakePHP, Phalcon, Symfony
JavaScript: AngularJS, JQuery, Node.js, Grunt.js, Gulp.js
CSS: Bootstrap, Less, Sass
API: Facebook, twitter, google(youtube), Steam, VK, Instagram , Yandex, Robokassa, PayPal, RESTful API
GIT, Bitbucket