Cropper.js is a JavaScript library for cropping image. it can select an specific area of an image, and then upload the coordinates data to server-side to crop the image, or crop the image on browser-side directly.

jQuery is a fast, small, and feature-rich JavaScript library. It makes things like HTML document traversal and manipulation, event handling, animation, and Ajax much simpler.

React is a flexible, declarative, component based JavaScript library for building user interfaces.

Laravel is a free, open-source PHP web framework intended for the development of web applications following the MVC architectural pattern and based on Symfony.

Plupload is a cross-browser multi-runtime file uploading API.