UNIX (all variants) Win32 (NT/W95/W98/W2000) QNX MacOS (WebTen) OSX OS/2 BeOS OS/390 (experimental) AS/400 (experimental) Apache module (UNIX,Win32) CGI/FastCGI thttpd fhttpd phttpd ISAPI (IIS, Zeus) NSAPI (Netscape iPlanet) Java servlet AOLServer Roxen/Caudium module SRM (Script Running Machine) Apache 2.0 module (Experimental) Tux (experimental) pi3web (experimental)