> text annotation app You could find plain JS to be sufficient for this. I'm guess you're highlighting the text a popup will come up and you submit to a serve

> text annotation app You could find plain JS to be sufficient for this. I'm guess you're highlighting the text a popup will come up and you submit to a server? If you really want to use a framework, Svelte could be a good choice. If you want to stay with safer choices then React with Mobx, or something else that uses subscriptions to bypass React's default rendering. The other thing you could do is test out each one and figure out what you like the best, because some of it is subjective.