XAMPP is a completely free, easy to install Apache distribution containing MariaDB, PHP, and Perl.
WampServer is a Windows web development environment. It allows you to create web applications with Apache2, PHP and a MySQL database. Alongside, PhpMyAdmin allows you to manage easily your databases.
BitNami Stacks make it incredibly easy to deploy your favorite open source software. BitNami Stacks include an open source application and all of the other software necessary to run it, such as Apache, MySQL, PHP or Ruby.
MAMP installs a local server environment in a matter of seconds on your computer. It comes free of charge, and is easily installed. MAMP will not compromise any existing Apache installation already running on your system.
UwAmp is a Wamp Server with Apache MySQL PHP and SQLite, and it comes with an very smart interface that offers various information, configuration and commands for the server. It can handle multiple php versions and monitor cpu usage. Also it is able to run in U3 mode.Discontinued
The development seems stopped since the last version (3.1.0 / 2016).
The Uniform Server is a WAMP package that allows you to run a server on any MS Windows OS based computer. It is small and mobile to download or move around and can also be used or setup as a production/live server.
A lightweight, fast and convenient modern LAMP Server with Redis and Memcached, extremely high performance. Laragon'll turn your computer into a powerful server in a minute so you can host Wordpress, Joomla, Magento, Drupal, and Prestashop quickly and effortlessly.