Sugar is an award winning learning platform intended to be used with the OLPC laptops. It is a Desktop ( written in python) which features a rich array of collaborative activities. Activities is how we harness the power of sugar, and how the user interacts with sugar.
(much like applications in any OS)
More info can be found here:
www.sugarlabs.com
To join sugar, please do check our Join Us page. And also navigate through the specific pages like bugsquad, developers etc. if you have a definite interest.
If you feel it all to be a lengthy process, just join us on the channel #sugar on irc.freenode.net , and we can talk about what he have in store for you 
