Web application frameworks, most simply understood, help you develop things faster by providing a lot of the features, functionalities, templating, libraries, and more that you commonly need without having to create them from scratch every single time.
Here’s one that I was recently passed that I could see a lot of people using effectively:
They have some demos of all that’s available and what you can do with it, some of which could be helpful for many people:
Take a look. It’s probably worth a bookmark for future use.