Internet Information Services (IIS) for Windows Server is a flexible, secure and manageable Web server for hosting anything on the Web. From media streaming to web applications, IIS's scalable and open architecture is ready to handle the most demanding tasks.
sites are using IIS
The Apache HTTP Server Project is a collaborative software development effort aimed at creating a robust, commercial-grade, featureful, and freely-available source code implementation of an HTTP (Web) server. The project is jointly managed by a group of volunteers located around the world, using the Internet and the Web to communicate, plan, and...
NGINX, Inc. is the company behind the popular open source project trusted by more than 400 million sites. We offer a suite of technologies for developing and delivering modern applications. NGINX is an HTTP and reverse proxy server, a mail proxy server, and a generic TCP/UDP proxy server
Varnish Cache is a web application accelerator also known as a caching HTTP reverse proxy. You install it in front of any server that speaks HTTP and configure it to cache the contents. Varnish Cache is really, really fast. It typically speeds up delivery with a factor of 300 - 1000x, depending on your architecture.
LiteSpeed Web Server conserves resources without sacrificing performance, security, compatibility, or convenience. Replace Apache, double your maximum capacity, and eliminate the need for a 3rd party caching layer - all in 15 minutes with zero downtime. With built-in anti-DDoS features, securely handle thousands of concurrent clients while consuming...