fun open source stuffs

here are some sites to browse through, participate in, get inspired by, collaborate with...

 http://tympanus.net/codrops/  tutorials on web trends + techniques

http://codepen.io/  fun stuff

http://theonion.github.io/fartscroll.js/  silly stuff

http://www.distancetomars.com/  out of this world stuff

http://andrevv.com/  fun scrolling stuff