AUSTIN, Texas--(BUSINESS WIRE)--OpenStack, the most widely deployed open source software for building clouds, marks its fifth anniversary this month with its global community of 30,000 supporters celebrating at events around the world. Launched in 2010 as a joint project between Rackspace and NASA, OpenStack started as two open source projects to orchestrate virtual machines and object storage. It has evolved into dozens of projects tackling a broad range of use cases, from accelerating softwar