It has been several years since I last updated those libraries, and significant changes have occurred in the Arduino environment. Consequently, there is a possibility that they are no longer compatible.

If I opt to develop a new library with similar functionality, I will provide a link to it here.

SimpleList -> LittleVector (https://github.com/blackhack/LittleVector)

EasyButton -> EUtils (https://github.com/blackhack/EUtils)

Useful libraries for Arduino

You can download single libraries from "Releases" folder by clicking in the library and then clicking "raw".