Product-Card-Ui-Design is an example of product card ui. It is bulit using html and css, contains an image, title, price, description and a buy button.
pignose.calendar.js is a beautiful and eidetic jQuery date picker plguin, it supports some kinds of thems. For example: dark and blue themes.
LottieAwesomeLoginRegisterUI ia an awesome android and ios login and registration form with Lottie. It provides a good example for us to learn how to use Lottie to build an app.