ServBay is a complete web development tool that provides a range of services including web servers, databases, programming languages, mail servers, and queue services. It supports well-known programming languages such as PHP and Node.js, and major databases like MySQL and PostgreSQL, as well as NoSQL options like Redis and Memcached. ServBay also includes infrastructure elements such as email and DNS servers, along with reverse proxies, making it a versatile and efficient choice for contemporary web development. Its offerings include support for multiple PHP versions, Node.js support, quick version switching, local DNS, and a secondary development package for customized software recompilation.