Docker is a software company that provides an open platform for developers and sysadmins to build, ship, and run distributed applications. The company was founded in 2013 and is headquartered in San Francisco, California. Docker's platform allows developers to package their applications and dependencies into a single container, which can then be easily deployed to any environment. This makes it easier for developers to build and deploy applications, and helps to reduce the time and cost associated with managing complex application environments. Docker has a global presence, with operations in North America, Europe, and Asia.