Charity Engine - Charity Engine takes enormous, expensive computing jobs and chops them into 1000s of small pieces...
Stealthy: Secret Messenger - Chat anonymously with friends & strangers
BOINC - BOINC is an open-source software platform for computing using volunteered resources
Berkanan - Chat with people nearby. Even offline, on an ✈️.
Apache Mesos - Apache Mesos abstracts resources away from machines, enabling fault-tolerant and elastic distributed systems to easily be built and run effectively.
Roomvine - Chatrooms for real life venues, neighborhoods and events