- [Algernon](http://algernon.roboticoverlords.org/) - Small self-contained pure-Go web server with Lua, Markdown, HTTP/2, QUIC, Redis and PostgreSQL support. ([Source Code](https://github.com/xyproto/algernon))
- [Apache HTTP Server](http://httpd.apache.org/) - Secure, efficient and extensible server that provides HTTP services in sync with the current HTTP standards. ([Source Code](https://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/))
- [Caddy](https://caddyserver.com/) - Powerful, enterprise-ready, open source web server with automatic HTTPS. ([Source Code](https://github.com/caddyserver/caddy))
- [Cherokee](http://cherokee-project.com/) - Innovative, feature rich, lightning fast and easy to configure open source web server designed for the next generation of highly concurrent secured web applications.
- [Hiawatha](https://www.hiawatha-webserver.org/) - An advanced and secure webserver for Unix.
- [Cherokee](http://cherokee-project.com/) - Innovative, feature rich, lightning fast and easy to configure open source web server designed for the next generation of highly concurrent secured web applications. ([Source Code](https://github.com/cherokee/webserver/))
- [Hiawatha](https://www.hiawatha-webserver.org/) - An advanced and secure webserver for Unix. ([Source Code](https://gitlab.com/hsleisink/hiawatha))
- [Lighttpd](http://www.lighttpd.net/) - Web server more optimized for speed-critical environments.
- [Nginx](http://nginx.org/) - Reverse proxy, load balancer, HTTP cache, and web server.
- [uWSGI](https://github.com/unbit/uwsgi/) - The uWSGI project aims at developing a full stack for building hosting services.