The docs are what got me to give it a try and I use it now for any page that has complex/reactive interactions.
Java (even with Thymeleaf templates), PHP, Node, and just straight HTML. Because of the many different ways you can integrate it into your project you don't have to start out with the intention of making the entire front end with Vue, and you don't have to build a huge SPA. You can simply integrate it view by view if you want, which was magical when I was slowly updating the front end of a crusty old WebApp built a long time ago.
Java (even with Thymeleaf templates), PHP, Node, and just straight HTML. Because of the many different ways you can integrate it into your project you don't have to start out with the intention of making the entire front end with Vue, and you don't have to build a huge SPA. You can simply integrate it view by view if you want, which was magical when I was slowly updating the front end of a crusty old WebApp built a long time ago.