UltiDev is described as 'Web Server Pro (UWS), also known as UltiDev Cassini Pro, is an an advanced, redistributable web server that can be use as a regular web server to host web sites and ASP'. There are more than 10 alternatives to UltiDev for a variety of platforms, including Windows, Linux, Mac, BSD and Self-Hosted solutions. The best alternative is Apache HTTP Server, which is both free and Open Source. Other great apps like UltiDev are Microsoft IIS (Paid), Abyss Webserver (Freemium), LiteSpeed Web Server (LSWS) (Freemium) and Tornado Web Server (Free, Open Source).
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.
LiteSpeed Web Server (LSWS) is a high-performance Apache drop-in replacement. LSWS is the 4th most popular web server on the internet and the #1 commercial web server. Upgrading your web server to LiteSpeed Web Server will improve your performance and lower operating costs
Tornado is an open source version of the scalable, non-blocking web server. The framework is distinct from most mainstream web server frameworks (and certainly most Python frameworks) because it is non-blocking and reasonably fast.
Ever wanted to set up a webserver so that you could have your friends check out a new page you're working on? Or maybe you'd just like to play around with HTML, and need to have a local webserver to get a good feel...
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 8.0.8 FastCGI support, mod_rewrite and SSL/TLS 1.2.