whatlaunched.today
In short: WhatLaunched Today (whatlaunched.today) accepts product launch/digest. It is free + paid tier to submit, takes a moderate amount of preparation, and scores 63/100 on our impact ranking (useful).
Submit product once for launch/directory exposure.
Check if paid distribution required.
Priority is medium, which sets the band. It is free + paid tier and moderate to complete, which adjusts it within that band. The score ranks your queue — it is not a measure of domain authority.