A jQuery plugin to turn standard input type file into a nice drag&drop zone with validators and previews.
Provides signature field as jQuery component, using either a sketch pad or an uploaded signature file.
jQuery html5 file uploader plugin
Cross Browser Ajax File Uploads.
A simple ajax file upload plugin
A better HTML input for files, allowing custom styling and initial values.
The jQuery inputFileWidth plugin sets the width of an input file element, also in FireFox.
jQuery plugin to allow for easy file uploading. Work in progress… (no code pushed yet)
A demonstration of a method to submit Google Forms using AJAX.
jQuery plugin for ajax file uploading with file progress