sopi 

Package for Lightbox that is small javascript library used to overlay images on top of the current page. It's a snap to setup and works on all modern browsers.

High quality image resizing and cropping

HTML5 drag desktop files into browser jQuery filedrop uses the HTML5 File API to allow users to drag multiple files from desktop to the browser, uploading each file to a user-specified URL. file

Tool for hashing and salting strings (passwords), you can specify the salt size before encrypting