Sami HTTP Server is a small and easy to use webserver.
License: Freeware
OS Support:

Techlogica HTTP Server 103 is a free and easy-to-use web server.
License: Freeware
OS Support:

Apache Admin is THE GUI solution for your Apache Web Server administration.
License: Demo
OS Support:

Secure web server, web file manager, WebDAV, and HTTPS tunnel.
License: Freeware
OS Support:

Access and manage files worldwide using a Web browser - An alternative to FTP.
License: Shareware
OS Support: Win95,Win98,WinME,WinNT 4.x,Windows2000,WinXP,Windows2003,

ISAPI filter for high performance HTTP Compression and Content Optimization.
License: Demo
OS Support: WinNT 4.x,WinXP,Windows2000,Windows2003,

LiteServe is a powerful, full-featured Web, Mail, FTP, and Telnet server.
License: Shareware
OS Support: Win95,Win98,WinME,WinNT 4.x,Windows2000,WinXP,Windows2003,

LiteWeb is a powerful full-featured web server that supports PHP and much more!.
License: Shareware
OS Support: Win95,Win98,WinME,WinNT 4.x,Windows2000,WinXP,Windows2003,

NaviCOPA takes the hard work out of running a Web Server.
License: Shareware
OS Support: Win98,WinME,WinXP,Windows2000,Windows2003,

Easy to use, free,Windows based Web Server supporting CGI, PHP, and Perl.
License: Freeware
OS Support: Win95,Win98,WinME,WinNT 4.x,Windows2000,WinXP,Windows2003,Linux,