Apache HTTP Server, Lighttpd, Tornado Web Server, SimpleHTTPServer, Serva 32/64, Haproxy, Microsoft IIS, Træfik Proxy, Caddy, Varnish, goproxy, LiteSpeed Web Server (LSWS), Abyss Webserver, TinyWeb, Simple HTTP Server, webfs, gobetween, OpenLiteSpeed, ZEVENET, Windows Webserver, Baby Web Server, MicroApache, KatWeb, Cherokee, nuster, nanoweb, Algernon, TrustLeap G-WAN Web Server, mongrel, Hiawatha, ShimmerCat, thttpd, mongrel2, Appweb, SimpleServer:WWW, VBServer, Lwan, Tntnet, Rwasa, HtmlSpeed, WEBrick are some alternatives to Nginx.