You can find the source to higgs on GH: https://github.com/maximecb/Higgs
More info is on Maxime's blog: http://pointersgonewild.wordpress.com/
And our subreddit: http://www.reddit.com/r/higgsjs/
You can also stop by and say hello in #higgsjs on freenode.
We're looking for contributors of all skill levels if anyone is interested!