Is there any marketplace where you can sell a SaaS app that doesn't have revenue or users?
This might be helpful. https://hackernoon.com/top-5-marketplaces-to-buy-and-sell-side-projects-4381e481ca9d
I sold a project in the that past that had virtually no revenue, but did have a number of daily users. I did it by reaching out to bigger companies in our niche space that could benefit from the additional visitors they would get (and could upsell) by rebranding my app.
http://indiemakers.co/ is often recommended (use to be 1k Projects)
Thanks. Found it the article above. Maybe I will give it a try.