10words.io
In short: 10words (10words.io) accepts product launch/listing. It is free + paid tier to submit, takes a moderate amount of preparation, and scores 63/100 on our impact ranking (useful).
Launch your tool with a unique tagline, screenshots and founder profile linking to your tool.
Use original launch copy; no vote manipulation; review or queue may apply. Dofollow is reported but recheck after approval.
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.