What Applications can I built using wappler

Hi, guys I am new to wappler and getting straight to the point I’d like to ask what kind of web apps can I build using wappler no code studio as right now I wanna build a web based attendance app for a school.

In addition to that, I’d like to learn and master the wappler to develop my apps in a much better way so any reference to learn wappler?

Thanks a lot guys.