The versions of these applications that it installs are the following: Apache 2.2.6, PHP5, MySQL database, PHPmyadmin y SQLitemanager.
But Wamp Server isn't just a program pack, this application installs an interface residing in the taskbar, that allows you to launch, supervise and stop the different services.
One of the advantages of using Wamp Server is that the installation modifies the configuration files (*.conf) with the path where the program will finally be located. It also creates a directory denominated 'www' that will be the root of all your documents.
An icon in the taskbar instantly indicates the state of the different services.