This is pretty great: Gordon is an open source Flash implementation in JavaScript by @tobeytailor.

Demos: http://paulirish.com/work/gordon/demos/

img http://img.skitch.com/20100113-gc3h7hwadx1wdqn4pb6rhbjk8p.png http://paulirish.com/work/gordon/demos

It even works on the iPhone: http://twitpic.com/xxmi2

I can’t wait to try it out. Thanks Tobias and Paul!