While there are many changes for the better in the HTML5 specification, there is no better bang for the buck for the data driven website than the transformation of forms. These simple changes will transform how you enter, validate, process, and even display inputs. You will be able to create more usable web applications with less code and less confusion.
"Gaia is an open-source front-end Flash Framework for AS3 and AS2 designed to dramatically reduce development time.
With Gaia's revolutionary scaffolding engine, you can build a fully functional Flash site in less than 10 minutes without writing a single line of Actionscript!"
jquery.qrcode.js is jquery plugin for a pure browser qrcode generation. It allow you to easily add qrcode to your webpages. It is standalone, less than 4k after minify+gzip, no image download. It doesnt rely on external services which go on and off, or add latency while loading. It is based on a library which build qrcode in various language. jquery.qrcode.js wraps it to make it easy to include in your own code.