http://www.accessdenied.net lists Conan, Conan OGL, and GURPS: Conan, I think it's Conan is the old Conan from TSR.
You can ad yourself, and search on others. Conan OGL was only added to it's listings by me today.
http://www.rpgregistry.com does not yet list Conan OGL, but I've applied to have...