There are 2 repositories under icap-server topic.
E2guardian is a web content filter that can work in proxy, transparent or icap server modes
An ICAP Server with yara scanner for URL and content.
An implementation of the ICAP server part in pure Ruby
Node-RED nodes for implementing an ICAP server
ICAP service which unpacks password-protected attachments (.iso, .rar, .7z, .zip etc.) of various file types and scans them using YARA. Can be seamlessly integrated into rspamd.