| Microsoft IIS | Microsoft Internet Information Services (IIS) is a web server from Microsoft. |
| OpenResty | OpenResty is a web platform based on Nginx and LuaJIT, designed for building scalable web applications. |
| Nginx | Nginx is a high-performance web server and reverse proxy server. |
| Apache | Apache HTTP Server is a popular open-source web server. |
| Pepyaka | Pepyaka is a web server used by Wix to host and manage websites. |
| Cowboy | Cowboy is a small, fast, and modern HTTP server for Erlang/OTP, designed to handle tens of thousands of connections in a small memory footprint. |
| Google Servlet Engine | Google Servlet Engine is a web server technology used for hosting and running Java servlets, often associated with Google's cloud computing services. |
| JXWS | JXWS (Java API for XML Web Services) is a technology for building web services and clients that communicate using XML, typically used in Java environments. |
| Phusion Passenger | Phusion Passenger is a web server and application server, designed to be fast, robust and lightweight, optimizing Ruby, Python, Node.js, and Meteor web applications' performance. |
| PWS | PWS (Pivotal Web Services) is a cloud-native platform as a service (PaaS) built on Cloud Foundry, providing developers with a ready-to-use cloud computing environment. |
| Tengine | Tengine is a web server project based on the Nginx HTTP server, developed by the Chinese company Taobao. It includes several features that are useful for high-traffic websites. |
| Uvicorn | Uvicorn is a lightning-fast ASGI server implementation, using uvloop and httptools, primarily for Python web frameworks. |