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Announcing Apache™ CloudStack™ v4.4.1

Mature, easy-to-deploy Open Source Cloud computing software platform boasts improved efficiency and performance.

The Apache CloudStack project announced the immediate availability of Apache CloudStack v4.4.1, the latest version of the turnkey Open Source cloud computing software platform used for creating private-, public-, and hybrid cloud environments.

Apache CloudStack clouds enable billions of dollars' worth of business transactions annually across their clouds, and its maturity and stability has led it to has become the Open Source platform for many service providers to set up on-demand, elastic public cloud computing services, as well as enterprises and others to set up a private or hybrid cloud for use by their own employees.

"We are delighted to be releasing version 4.4.1 of Apache CloudStack," said Giles Sirett, member of the Apache CloudStack Project Management Committee. "This latest version of CloudStack reflects months of hard work by our diverse developer community and brings even more features to help our service-provider and enterprise users enhance their cloud platforms. Apache CloudStack continues to grow in both deployments and developer community size, and is the platform of choice for thousands of organisations that need to build IaaS environments quickly and securely with a proven, production-grade, technology."

Lauded by Gartner Group, CloudStack includes an intuitive user interface and rich APIs for managing the compute, networking, software, and storage infrastructure resources.

CloudStack v4.4.1 reflects dozens of new features and improvements, including:

  • Improved Storage Management
  • Virtual Private Cloud tiers can now span guest networks across availability zones
  • Support for VMware Distributed Resource Scheduler
  • Improved Support for Hyper-V Zones, VPC and Storage Migration

A complete overview of all new enhancements can be found in the project release notes at

CloudStack has been used by thousands of organizations worldwide and is in use/production at Alcatel-Lucent, Autodesk, BT Cloud, China Telecom, DATACAENTER Services, DataPipe,, Exoscale, GreenQloud, Hokkaido University, IDC Frontier, Ikoula, KDDI, KT/Korea Telecom, LeaseWeb, NTT, Orange, PCextreme, Schuberg Philis, Shopzilla, Slovak Telekom, SunGard AS, Taiwan Mobile, Tata, Trader Media Group, TomTom, University of Melbourne, University of Sao Paolo, Verizon, WebMD and Zynga, among others.

CloudStack originated at, which was acquired by Citrix in 2011. CloudStack was submitted to the Apache Incubator in April 2012 and graduated as an Apache Software Foundation Top-level Project in March 2013.


CloudStack v4.4.1 is available immediately as a free download from Apache CloudStack software is released under the Apache License v2.0.

Governance and Oversight

Apache CloudStack is overseen by a self-selected team of active contributors to the project. A Project Management Committee (PMC) guides the Project's day-to-day operations, including community development and product releases.

Get Involved!

Apache CloudStack welcomes contribution and community participation through mailing lists as well as attending face-to-face MeetUps, developer trainings, and user events. Catch CloudStack in action at the CloudStack Collaboration Conference, the official user/developer conference of the Apache CloudStack community, 19-21 November 2014 in Budapest, Hungary @CCCEU14 and

About Apache CloudStack

Apache CloudStack is a mature, turnkey integrated Infrastructure-as-a-Service (IaaS) Open Source software platform that allows users to build feature-rich public and private cloud environments. Hailed by Gartner Group as "a solid product", CloudStack includes an intuitive user interface and rich APIs for managing the compute, networking, software, and storage infrastructure resources. CloudStack entered the Apache Incubator in April 2012 and became an Apache Top-level Project in March 2013. For downloads, documentation, and ways to become involved with Apache CloudStack, visit and

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