Docker is an open platform for distributing software application in containers. It utilizes operating system-level virtualization for process and full resource isolation through cgroups, capabilities, SELinux, AppArmor, netfilter, and Linux kernel namespaces. Its libcontainer is based on libvirt and lxc. Docker Engine is the application and environment packaging tool. And Docker Hub is a cloud service for sharing prepackaged containers. Killer App hot
App Container (appc) is a well-specified and community developed specification for application containers. appc defines several independent but composable aspects involved in running application containers, including an image format, runtime environment, and discovery mechanism for application containers.
Clear Containers lets you use the isolation of virtual-machine technology along with the deployment benefits of containers.
Spinnaker is an open source, multi-cloud continuous delivery platform for releasing software changes with high velocity and confidence. Deploy across multiple cloud providers including AWS EC2, Kubernetes, Google Compute Engine, Google Container Engine, Google App Engine, Microsoft Azure, and Openstack, with Oracle Bare Metal and DC/OS coming soon.