https://uppy.io/
http://plugins.krajee.com/file-input
https://getsharex.com/
https://transfer.sh/
http://timmyomahony.com/blog/upload-and-validate-image-from-url-in-django/
http://valums-file-uploader.github.io/file-uploader/
http://www.dropzonejs.com/
http://www.html5rocks.com/en/tutorials/file/dndfiles/
https://github.com/sentido/django-ajax-upload-widget
http://blueimp.github.com/jQuery-File-Upload/
http://pixelcone.com/tutorial/ajax-file-upload-using-jquery-and-cakephp-media-plugin/
http://digitarald.de/project/fancyupload/
http://jaka.kubje.org/projects/dropbox-uploader/
http://www.plupload.com/
http://www.mirrorcreator.com/
http://www.zurb.com/playground/ajax_upload
http://www.milesj.me/resources/script/uploader-plugin
http://chevereto.com/