dotCloud is a Platform as a service company owned by cloudControl. It was the original developer of Docker.
Programming languages and platforms supported by the company include JAVA, Ruby, Python, PHP and Nodejs.
In January 2016 the company sent out the following letter to all of its customers:
Unfortunately I have to inform you, that cloudControl our German parent company has filed for bankruptcy. Due to this, dotCloud will be shutdown on __February 29, 2016__. To avoid service disruption of your apps hosted on dotCloud or prevent data loss, you are required to migrate your applications.
References
DotCloud Wikipedia(Text) CC BY-SA