Product name: Docker.io is the open source project
Pricing : The open source software is free, Docker has not yet set pricing for its support
Key features: Docker is an open-source project designed to easily create lightweight, portable, self-sufficient containers from any application. The same container that a developer builds and tests on a laptop can run at scale, in production, on VMs, bare metal, OpenStack clusters, public clouds and more. Although Docker has not been the first to use Linux Containers, it is popularizing them. More info.