https://thort.space
https://www.addittogether.com/
https://vanillaway.net/co_incubator/
https://www.facebook.com/groups/GlobalChallengesCollaboration/
http://qaspire.com/2017/09/04/micromastery-a-hidden-path-to-learning-and-happiness/
Coogle
next one has an awesome 3d interactive model of a smart contract.
The mission of IOHK We view the world as a series of giant and mostly interconnected social graphs with hundreds of complex systems embedded. Our mission is to perturb the graphs to a more connected, transparent and fair configuration for both the flow of ideas and value. https://iohk.io/
See how our friends are working
with FaceBook groups at 
The GSS Playing it Forward Group
and
GlobalChallengesCollaboration