Concerning the future, there will be a growing tension between 2 forces:
1. Developing SAAS in getting easier and faster : Better platforms, frameworks, and now AI-assisted programming.
2. Capitalism history shows us that concentration is inevitable.
So how is this tension going to play out?
FYI you can access a lot of these stacks on stackshare [1] and g2 [2]. I'm not sure how accurate or up-to-date they are.
[1] https://stackshare.io/stacks [2] https://stack.g2.com/company/uber