isapi freeware downloads
Abyss Web Server X1
2.16.9.1 freeware download... resuming, caching negotiation, log rotation, CGI/1.1 scripts, FastCGI, ISAPI extensions, eXtended Server Side Includes (XSSI), ASP.NET (on Windows), reverse proxying, WebSocket proxying, custom error pages, ...
Savant
3.1 freeware download... Server-side image maps * CGI/1.1 * WinCGI * ISAPI Application support * User-based password protection * Limit access by IP addresses * Easy install/uninstall * ...