CloudStack - Open Source Cloud Computing Project



CloudStack is an open source cloud computing platform originally developed by On July 12th, 2011 Citrix Systems announced the acquisition of and became the corporate sponsor of CloudStack. 

Cloudstack was released on May 5th 2010 as open source software under the GNU Public License version 3.0. The initial release was the result of two years of development by a company formerly known as VMOps. On May 5th of the same year the company was renamed to and is the corporate sponsor of CloudStack.

On August 29th the CloudStack released the preview release of CloudStack 2.2.11 and added support for the VMware and Oracle VM virtualization technologies. 

On April 3rd Citrix announced that they would relicense CloudStack starting with version 3.01 and make the offer to contribute the code base to the Apache Software Foundation. 

CloudStack Community Dudes

The CloudStack open source community is attended to by four full-time Citrix employees whose sole responsibility is making CloudStack and the users of CloudStack successful.

Joe Brockmeier, Open Source Cloud Computing Evangelist

Joe has a long history of involvement with open source, and has also worked for Novell as the openSUSE community manager. He has also spent many years working as a technology journalist, and has written for ReadWriteWeb,, LWN, Linux Magazine, NetworkWorld, ZDNet, and many others.

You can find him on in the #cloudstack channel (as jzb) on twitter, or at This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

David Nalley, CloudStack Community Manager

David Nalley is the CloudStack Community Manager In addition he's a long time contributor to theFedora Project, where among other things he is currently serving on the FedoraProject Board. He's also contributed to in various forms to Cobbler, Zenoss,, OLPC Math4, and Sahana.

You can find him on irc #cloudstack  as ke4qqq or at This e-mail address is being protected from spambots. You need JavaScript enabled to view it

Mark R. Hinkle, Senior Director, Cloud Computing Community

Mark is the Director of Cloud Computing Community at Citrix,  where he is responsible for driving all of the community efforts around CloudStack. Mark joined Citrix as a result of the acquistion of on July 11th 2011. Before that he was the force behind the Zenoss Core open source management projects adoption and community involvement, growing community membership to over 100,000 members. He is a co-founder of both the Open Source Management Consortium and the Desktop Linux Consortium, has served as Editor-in-Chief for both LinuxWorld Magazine and Enterprise Open Source Magazine, and authored the book, "Windows to Linux Business Desktop Migration." (Thomson, 2006) Mark has also held executive positions at a number of technology start-ups, including Earthlink, (previously MindSpring)--where he was the head of the technical support organization recognized by PC Computing and PC World as the best in the industry--Win4Lin and Emu Software.

You can find him on #cloudstack as mrhinkle or at This e-mail address is being protected from spambots. You need JavaScript enabled to view it

About Citrix

Citrix Systems (”Citrix”) (Nasdaq: CTXS) is a leading provider of virtual computing solutions that help companies deliver IT as an on-demand service. Founded in 1989, Citrix combines virtualization, networking, and cloud computing technologies into a full portfolio of products that enable virtual workstyles for users and virtual datacenters for IT. More than 230,000 organizations worldwide rely on Citrix to help them build simpler and more cost-effective IT environments. Citrix partners with more than 10,000 companies in more than 100 countries. Annual revenue in 2010 was $1.87 billion. For more information on Citrix, visit




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