cargo.site
In short: Getting listed on Cargo 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 an authentic your tool or founder design portfolio with substantive case studies and contextual links to shipped tools.
Create an authentic your tool or founder design portfolio with substantive case studies and contextual links to shipped tools.
Use only real design/product work; public pages may be indexed, but do not create a thin backlink microsite.
Open the submission page on cargo.site and complete its form — that is the "Open submit page" link at the top of this page.
Use only real design/product work; public pages may be indexed, but do not create a thin backlink microsite.
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.