I figured that some people here might be interested in those new tools for designing keyframe-based animation with HTML5, including 3D scenes and vector graphics.
A review of those tools can be found here:
http://arstechnica.com/information-tech ... h-the-web/
It opens up a lot of new possibilities compared to Flash and it seems easy to learn. It is open-source so you don't have to pay for Adobe Flash to make non-profit stuff such as those games created here.