File Upload widget with multiple file selection, drag&drop support, progress bar, validation and preview images, audio and video for jQuery. Supports cross-domain, chunked and resumable file uploads. Works with any server-side platform (Google App Engine, PHP, Python, Ruby on Rails, Java, etc.) that supports standard HTML form file uploads.
Reusable upload component in Laravel with Dropzone.js http://www.qcode.in/reusable-upload-component-in-laravel-with-dropzone-js/
A Nooku component that handles file upload and image resizing
Quick Image Component (Qimage) is a component for CakePHP to facilitate image manipulation and upload.
Component for upload or create images, save them to database, create thumbnails for images.
Akeeba Release Maker - An automated script to upload and release a new version of an Akeeba component.
A Magento 2 sample module demonstrating how to upload an image file within a grid and form UI Component.