Every SaaS answers the same nine questions. These roundups cover each one per framework, with cost shapes and honest tradeoffs rather than a ranked list of logos.
How do users sign in? 6 options tracked.
Where does your data live? 6 options tracked.
How does your code talk to the database? 5 options tracked.
How do you take money? 5 options tracked.
How do your emails actually get delivered? 5 options tracked.
Where does the app actually run? 6 options tracked.
Where do your components come from? 6 options tracked.
How do you know what users actually do? 5 options tracked.
How do you call models and build agents? 6 options tracked.