⚛️ Front-end: 🔹 CSS frameworks: Bootstrap, Foundation 🔹 Javascript frameworks: Vue.js, jQuery ⚙️ Back-end: 🔹 LAMP 🔹 Cron, Data parsing, XML generation 🔹 Frameworks: Laravel, Yii2 🔹 CMS: OpenCart, WordPress 🔹 Version Control System (GIT, Gitlab, Bitbucket) 🔹 Package managers: Composer 🔹 RESTful APIs 🔹 Highload projects 🔹 CRM systems