CoreOS Linux, an open source Linux operating system, is now available in China. Microsoft Azure operator 21Vianet has become the first officially supported cloud provider to offer CoreOS Linux in China. Until now, many Chinese organizations have deployed CoreOS Linux internally, on their own.
Verizon Labs is building some impressive projects around Apache Mesos and relies on a lot of open source software for functionality: operating systems, networking, provisioning, monitoring, and administration. Open source software is popular at Verizon Labs because it gives them the flexibility and the functionality to do what they want to do, without fighting vendor restrictions.