altern.ai
In short: Altern AI (altern.ai) accepts ai directory listing. It is not stated to submit, takes a moderate amount of preparation, and scores 42/100 on our impact ranking (long tail).
Submit or claim AI/privacy tool listing if form/contact available.
AI-only; verify submit flow.
Priority is later, which sets the band. It is not stated and moderate to complete, which adjusts it within that band. The score ranks your queue — it is not a measure of domain authority.