Quality of service module for Apache httpd
Automatically updates and applies certificate revocation lists
OpenID relying party for Apache httpd
Apache 2.4.x security, block known bad IP
Open Source PKI solutions
apache-2.x module to get userid from header|environment|SSL variable
Authentication, Access Control, and Single Sign-On
Free-SA is report generating tool for web, proxy and mail log files
mod_gnutls apache module
GlowMuck is a multi-user text-based role-play platform, a MUD server.