Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
SpaceVR - Explore space with Oculus Rift (pre-launch)
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
The Size of Space - An interactive visualization of the universe
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.
Space Telescope - Explore the universe on Apple TV