getapp.com
In short: Getting listed on GetApp is free. Plan for about 10 minutes — it is a form plus links and assets you already have.
What they ask for: Create software vendor listing.
Create software vendor listing.
Often managed with Capterra listing.
Open the submission page on getapp.com and complete its form — that is the "Open submit page" link at the top of this page.
Often managed with Capterra listing.
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.