archive.org
In short: Getting listed on Internet Archive is free. Plan for about 45 minutes — there is material to prepare and a review to wait on.
What they ask for: Archive your authentic release, manual or research artifact with accurate metadata and official source URL.
Archive your authentic release, manual or research artifact with accurate metadata and official source URL.
Upload only material you own or may redistribute; item metadata must describe a real archival object, not an SEO-only page.
Open the submission page on archive.org and complete its form — that is the "Open submit page" link at the top of this page.
Upload only material you own or may redistribute; item metadata must describe a real archival object, not an SEO-only page.
Priority sets the band — this one is medium. Cost (free) 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.