Speculating, amongst the "Android" options there are four categories: - There are the expensive legacy relational solutions (these are on a long slow death).

Speculating, amongst the "Android" options there are four categories: - There are the expensive legacy relational solutions (these are on a long slow death). - There are small open source and sometimes even closed source projects that are either going to be dead or gobbled up; or at least far too many people will fear they will which will prevent adoption. - There are cloud-native lock-in solutions. - There are well-established large community open source projects that stay alive because there's enough stakeholders but they don't have strong commercial backers. All of these categories are a surprisingly interesting market opportunity for a disruptive commercially backed more vertically integrated open source player to target.