Windows Webserver is described as 'The Windows Webserver was developed for testing PHP and CGI/FCGI programs under Windows, without installing an Apache or IIS environment. The Webserver is easy to install and comes with buildin PHP 8.0.3 FastCGI support, mod_rewrite and SSL/TLS 1.2' and is an app in the Development category. There are more than 50 alternatives to Windows Webserver for a variety of platforms, including Windows, Linux, Mac, Self-Hosted solutions and BSD. The best alternative is XAMPP, which is both free and Open Source. Other great apps like Windows Webserver are Apache HTTP Server (Free, Open Source), nginx (Free, Open Source), WampServer (Free, Open Source) and Caddy (Free Personal, Open Source).
XAMPP is a completely free, easy to install Apache distribution containing MariaDB, PHP, and Perl. The XAMPP open source package has been set up to be incredibly easy to install and to use. XAMPP is free even for commercial uses
nginx [engine x] is a HTTP and reverse proxy server, as well as a mail proxy server written by Igor Sysoev. It has been running for more than five years on many heavily loaded Russian sites including Rambler (RamblerMedia.com).
WampServer is a Windows web development environment. It allows you to create web applications with Apache, PHP and the MySQL database. It also comes with PHPMyAdmin and SQLite Manager to easily manage your databases.
Internet Information Services (IIS) for Windows® Server is a flexible, secure and easy-to-manage Web server for hosting anything on the Web. From media streaming to web application hosting, IIS’s scalable and open architecture is ready to handle the most demanding tasks.