There's a bit of overlap with Supabase because they are positioned as "open-source firebase". But you can just use Supabase as the DB provider for your Blitz ap

There's a bit of overlap with Supabase because they are positioned as "open-source firebase". But you can just use Supabase as the DB provider for your Blitz app. In general, I'm way more in favor of owning your entire stack, like Ruby on Rails and Laravel vs relying on a third-party service for the core of your app.