polar.sh
In short: Getting listed on Polar is free, with optional paid upgrades. Plan for about 45 minutes — there is material to prepare and a review to wait on.
What they ask for: Create your organization, set its official website, and publish a real free or paid digital product or subscription.
Create your organization, set its official website, and publish a real free or paid digital product or subscription.
Use only when your tool has a legitimate digital product; business details, compliance and payout verification may be required.
Open the submission page on polar.sh and complete its form — that is the "Open submit page" link at the top of this page.
Use only when your tool has a legitimate digital product; business details, compliance and payout verification may be required.
Priority sets the band — this one is medium. Cost (free + paid tier) and effort (moderate) move it within that band, which puts it in the useful tier. The score orders a submission queue. It is not a measure of the site’s domain authority, traffic or quality.