youtube.com
In short: YouTube (youtube.com) accepts channel/about + videos. It is free to submit, takes a moderate amount of preparation, and scores 84/100 on our impact ranking (high impact).
Create tutorials for top your tool tools with links.
Needs useful videos; links mostly referral/brand.
Priority is high, which sets the band. It is free and moderate to complete, which adjusts it within that band. The score ranks your queue — it is not a measure of domain authority.