Mull. It's FOSS (Free open source software). It should be on the official f-droid repo but I believe the divestos repo pushes updates faster since they're the devs of the project.

I hope you did all this behind a good ad blocker/DNS filter or else you just increased engagement with the site and potentially their ad delivery network. They also collect the analytics, think advertisers won't pay for metadata related to a cohort of users mass exodusing? I love the decentralized setup here, this is really cool. Let's get more time and engagement here instead and stop providing our data to Predditers.