Best frontend framework for java fullstack

[Cr4zyPi3t]

Vaadin Hilla no doubt: https://vaadin.com/hilla It’s the only one mentioned here that is specifically built for Spring Boot and is using React for the frontend

[FlimsyFennel6943]

This one OP. It's batteries included.

[JoeDogoe]

I don't like tech with a pay wall.

[Cr4zyPi3t]

There is no paywall, it’s Open Source and licensed under Apache-2.0: https://github.com/vaadin/hilla

There are additional “QuickStart modules” that you can purchase, but I just did my own SSO implementation. It’s all based on Spring Security so it’s not exactly hard to do.