Laravel, Symphony, React.
MySQL, MariaDB, MongoDB, PostgreSQL.
AWS, Google Cloud Platform, Microsoft Azure, Docker
JavaScript is a front-end and back-end development language that enables for the creation of interactive web pages. While CSS and HTML assure structure and design in web pages, JavaScript aids in the creation of interactive features for web sites that engage users.
There is no conclusive answer to this question since it is dependent on a variety of factors such as the project's complexity, the size of the team working on it, and clients requirements.