[nm980]

> "Self hosting is not really advertised on their main site"

How would rybbit.io make money if they are only better at self hosting? Wouldn't the users they are targeting only self host anyways?

> "On "Ahrefs", is there even an open source version of their product? I couldn’t easily find it (on mobile)."

Not all of these companies are open source but they are still competitors because they have generous free tiers so the cost of self hosting an alternative wouldn't be justified.