appdirectory.org
In short: Getting listed on AppDirectory.org is free. Plan for about 10 minutes — it is a form plus links and assets you already have.
What they ask for: Submit your tool once with its strongest free-use case, correct category, concise copy, and product URL.
Submit your tool once with its strongest free-use case, correct category, concise copy, and product URL.
The app must be free or have a meaningful free tier; listings are curated and duplicate submissions are not allowed.
Open the submission page on appdirectory.org and complete its form — that is the "Open submit page" link at the top of this page.
The app must be free or have a meaningful free tier; listings are curated and duplicate submissions are not allowed.
Priority sets the band — this one is high. Cost (free) and effort (quick) move it within that band, which puts it in the high impact tier. The score orders a submission queue. It is not a measure of the site’s domain authority, traffic or quality.