Web servers: Apache2, Docker
OS: Windows or Linux
Programming languages: NodeJS, PHP, Javascript, Python
Database: Mysql, NoSql
PHP Frameworks: Laravel, CodeIgniter, Zend, Symfony
Python Frameworks: Django, Flask.
NodeJs Frameworks: NextJs
Javascript Framework: React JS , Vue JS, jQuery.
Additional tools: Webpack, PHP Memcached, Bootstrap CSS. Docker. Rabbit MQ.