Depends what you mean by web apps or how you're going to code them. If you're using something like React or Vue, then I'm guessing any CMS used as a headless A

Depends what you mean by web apps or how you're going to code them. If you're using something like React or Vue, then I'm guessing any CMS used as a headless API would probably be ideal, since the system would only be used for creating content/the admin area.