manta.com
In short: Getting listed on Manta is free. Plan for about 10 minutes — it is a form plus links and assets you already have.
What they ask for: Claim or add your legal business, complete its description and logo, and include the verified website link.
Claim or add your legal business, complete its description and logo, and include the verified website link.
Free registration is for businesses located in the United States; use only if your tool has a legitimate US business address and ownership proof.
Open the submission page on manta.com and complete its form — that is the "Open submit page" link at the top of this page.
Free registration is for businesses located in the United States; use only if your tool has a legitimate US business address and ownership proof.
Priority sets the band — this one is medium. Cost (free) and effort (quick) 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.