Nginx

Official page of the project with news, documentation and download section.

Iis

Learn, download, and discuss IIS7 and more on the official Microsoft IIS site for the IIS.NET development community.

Litespeedtech

LiteSpeed - the ultimate solution for your web infrastructure

Apache Httpd

Apache Tomcat

Phusionpassenger

Phusion Passenger is a multi-language (Ruby, Python, Node) web & app server which can integrate into Apache and Nginx. Easy to use, stable and fast.

Gunicorn

Gunicorn 'Green Unicorn' is a Python WSGI HTTP Server for UNIX. It's a pre-fork worker model ported from Ruby's Unicorn project.

Puma

Puma - A Modern Concurrent Web Server for Ruby.

Vastreaming

RTMP, RTSP, RTP, TS, HLS client and server libraries for Java (Android), C# (Xamarin/Mono/.NET/UWP/Silverlight), C++ (Windows/Linux)

Bogomips Unicorn

Compatible with Ruby 1.9.3 and later. unicorn 4.8.x will remain supported for Ruby 1.8 users. ... git://bogomips.org/unicorn.git git://repo.or.cz/unicorn.