Catalogs people search when comparing tools. A few visitors a week for a long time, and links that help a new site rank.
Needs an account and a few days of review. Then link it to every product it replaces. It has iPhone and Android filters, so app users search here too.
Link your App Store or Google Play page, or a landing page that links to both. In the workspace, Groivo gives AlternativeTo its own App Store campaign link (ct=) and Google Play referrer, so downloads from it show up in App Store Connect and Play Console.