It is these widgets you see: https://appstore.home.mendix.com/link/app/47781/Mendix/List-view-swipe
and https://appstore.home.mendix.com/link/app/47784/Mendix/Carousel
and https://appstore.home.mendix.com/link/app/47783/Mendix/Progress-circle
It's made by Andries Smit, he is the wizard of widget development.
Regards,
Ronald