Socialkeeper - Cultivate your friendships
BOINC - BOINC is an open-source software platform for computing using volunteered resources
Bond - A simple app that reminds you to keep in touch with people
Apache Mesos - Apache Mesos abstracts resources away from machines, enabling fault-tolerant and elastic distributed systems to easily be built and run effectively.
Cat GIF TV - The first and only 24/7 Cat GIF TV channel 😻
JPPF - The open source grid computing solution.