ISAPI Developer's Site
Includes specifications, FAQs, source code, tutorials, consultants listing, and vendor listing. By Stephen Genusa.

ISAPI Links and Tools
Links to ISAPI-compiant web servers, resources, samples, and tools related to ISAPI. By Peter Pohmann.

ISAPI URL Rewrite Filters
A comparision of ISAPI filters that enable IIS to have URL manipulation capabilites similar to Apache's mod_rewrite.

JspISAPI
An ISAPI DLL for IIS web server to tunnel JSP requests through IIS to Tomcat webserver running on same machine.