Charity Engine - Charity Engine takes enormous, expensive computing jobs and chops them into 1000s of small pieces...
Ariuum - Online debate and discussion streaming platform
BOINC - BOINC is an open-source software platform for computing using volunteered resources
roundtable.audio - Live audio chat rooms to discuss anything on the internet
Apache Mesos - Apache Mesos abstracts resources away from machines, enabling fault-tolerant and elastic distributed systems to easily be built and run effectively.
YEAY - QVC + Tumblr + Snapchat. Vertical video shopping.