These are what I find to be the most exciting projects, today:
It's been alive for over 10 years, but it's still generally considered among the most exciting of all Python projects.
This one has since been announced in April 2010, but I still do find it kool. It is sad that it still receives so much unlove from so many people, much of which isn't constructive. I am hoping it displaces both it's main competitors, sysvinit and upstart, at some point.