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In the run-up to the next Cloud Expo, 7th Cloud Expo (November 1–4, 2010) being held at the Santa Clara Convention Center in Silicon Valley, it's time to give my earlier list a complete overhaul.

Here, accordingly, is an expanded list of the most active players in the Cloud Ecosystem.

I have increased it from the 'mere' 150 I identified back in January of this year, to 250, testimony – as if any were needed! – to the fierce and continuing growth of the "Elastic IT" paradigm throughout the world of enterprise computing.

Editorial note: The words in quotation marks used to describe the various services and solutions in this round-up are in every case taken from the Web sites of the companies themselves. Omissions to this Top 250 list should be sent to me via Twitter ( and I will endeavor to include them in any future revision of this newly expanded round-up.

Abiquo - Newly re-launched with the help of $5.1M in VC money, Abiquo is now headquartered in Redwood City, CA, and has a new CEO, Pete Malcolm. the company's flagship Cloud management product, Abiquo 1.5, is "the first product to allow IT managers to automatically convert virtual machine images built for one hypervisor technology to any other supported hypervisor." One example: Abiquo 1.5 can convert from VMware to Microsoft Hyper-V, through a single drag-and-drop operation.

Adaptive Computing - Manager of some of the world’s largest computing installations, privately held Adaptive Computing has an offering, the Moab suite, that "delivers infrastructure intelligence that enables data center and private and public cloud environments to adapt to changing business needs in real time." Moab, which Adaptive defines as "unified intelligent automation technology," seeks to empower organizations "to move beyond consolidated hardware and software infrastructures to the real promise of private clouds" - a promise which it defines as "the automated and intelligent delivery of infrastructure as a service (IaaS) and platform as a service (PaaS) based on application workloads."

Adaptivity - Adaptivity "provides integrated solutions that automate IT Delivery optimization across enterprise computing environments." Those behind the company built the largest private cloud while at Wachovia and are today building clouds with Unisys. Adaptivity sees the Cloud Computing opportunity from a much broader perspective. "IaaS type resources managed externally from the enterprise do provide value; however, the larger opportunity is enabling enterprises to change how they deliver and consume IT resources," says CEO Tony Bishop in a Q&A with Cloud Computing Journal.

Agathon Group - A dedicated grid environment that allows charitable and non-profit campaigns to scale on demand.

Akamai - Akamai claims to have been optimizing the cloud for over ten years, building a global computing platform "that helps make cloud computing a reality." Services for cloud optimization are now a vital part of the company's total offering, and go well beyond Content Delivery Network (CDN) cache-based technologies - marking Akamai's transition from CDN to full-fledged Cloud Computing player.

Amazon EC2 - When Amazon introduced its virtual computing environment, Amazon Elastic Compute Cloud or EC2, "to enable you to increase or decrease capacity within minutes, not hours or days," it single-handedly brought Cloud Computing to the very forefront of public awareness by using Web services to provide what it called "resizeable compute capacity in the cloud." EC2 runs within Amazon's proven network infrastructure and datacenters and allows customers to pay only for what they use. See also S3.

Amplidata - The Amplidata offering - a "fully online and ultimately scalable storage system" - is an answer to industry trends like the growing need for disk based storage, the success of SSD, RAID not keeping up with availability and efficiency requirements. Termed “unbreakable storage” by the company, it has plenty of features for cloud-like deployments: scalability, thin provisioning, snapshots and cloning.

Apache Hadoop -

AppCloud - see EngineYard

Appirio - Offers services and products to accelerate the adoption of on-demand solutions, and recently secured $5.6 million of financing in a Series B round led by Sequoia Capital.

Appistry - As a company that positions itself boldly "At the convergence of Grid Computing, Virtualization and SOA" Appistry offers a grid-based application platform that makes it very easy to scale-out CPU- and data-intensive applications across a virtualized grid of commodity servers. Unlike traditional grid products based on legacy scheduler technology, the company's robust "fabric" architecture has no single point of failure and "is well suited for extreme transaction processing (XTP), software-as-a-service (SaaS), cloud computing, and other data- and CPU-intensive applications."


- The true power of software-based computing was realized when software developers could stop focusing on interfacing directly with hardware, and instead focus on the ingenuity of their software, say the founders of Apprenda - the company behind SaaSGrid, an operating system for building and deploying Software as a Service applications, and a platform for conducting Software as a Service business.

AppZero - Pioneer of virtual application appliances (VAA) which decouple an application from the operating system (OS) and its underlying infrastructure." The resultant virtual application appliance contains an application with its dependencies, but with zero operating system (zeOS) component," says the company. The aim of VAAs is to enable enterprises to provision server based applications to any machine in the data center in a matter of seconds or move an application from the data center to the cloud (D2C).

Aptana - Aptana has recently beta-released Aptana Cloud, which it says "is architected to complement Cloud infrastructure providers like Amazon, Google, Joyent and others." Targeted at rapid development, in particular web applications that need to scale rapidly (think Facebook applications etc.), Aptana cloud plugs into the Aptana IDE.

Arjuna - Describing its Agility offering as an "on-ramp to the Cloud [that] allows the IT department to begin to experiment with cloud computing in a gradual, incremental way, without any need for disruption to existing service," Arjuna is positioned to help IT towards a world in which internal IT infrastructure can over time be increasingly subsumed into the cloud.

Asankya - Asankya describes itsefl as "the cloud acceleration company" and specializes in the high speed delivery of Internet-based applications. Asankya provides an Application Delivery Network (ADN) service for leading SaaS companies, cloud storage providers, internal enterprise cloud users and key government entities.

AT&T - AT&T broke into the cloud business in August 2008 with the global launch of what it calls AT&T Synaptic Hosting - described as "a next-generation utility computing service with managed networking, security and storage for businesses."

Azure - see Microsoft

BeyondTrust - Positioning itself as " the global leader in privilege authorization management, access control and security solutions for virtualization and cloud computing environments," BeyondTrust is the company that put Privileged Identity Management (PIM) on the enterprise IT map. The 25-year-old company's customers include eight of the world's 10 largest banks, seven of the world's 10 largest aerospace and defense firms, and six of the 10 largest U.S. pharmaceutical companies, as well as renowned universities. Its cloud play revolves around an offering called PowerBroker Virtualization.

BlueLock - Claiming to have "some of the best virtualization and cloud talent around," BlueLock - a provider of cloud hosting and managed IT services - notes that it has helped companies of all sizes find the best way to leverage industry-leading cloud hosting solutions. "It doesn’t matter if you’re a Software as a Service (SaaS) company, a Fortune 500 company or a start-up," says the Company on its website.

Bluewolf - A leading provider of on-demand software deployment services, Bluewolf offers remote database management and recently announced its "Arcade" cloud storage offering that allows users to economically store a virtually unlimited number of files of all sizes through the Salesforce interface.

Boomi - Creator of AtomSphere, which the company calls "the industry’s first integration platform-as-a-service." It is a pure SaaS integration platform that does not require software or appliances.


Booz Allen Hamilton - Management consultancies are also now part of the Cloud ecosystem by dint of their wide range of offerings aimed at all aspects of the phenomenon, and Booz Allen Hamilton (BAH) in particular has positioned itself in the forefront the federal government's Cloud Computing initiative. According to its special Cloud Computing website. "Booz Allen is prepared to support all elements of government defense and civilian missions and migration efforts to “the cloud.” ... Booz Allen is also developing new economic analysis—addressing all cost categories for a variety of potential cloud uses—to help agencies “make the case” for migrating to the cloud."

CA Technologies - Bought the key assets - software assets and engineering team - of Cloud Computing player Cassatt in June 2009. Followed by 3Tera in February 2010. There's a great blog here that gives an insight into what's cooking, written by CA Technologies though leaders - or "Storm Chasers" as they're apparently referred to internally. And the roadmap for the overall CA Technologies approach to Cloud computing is here.

Callidus On-Demand SPM
- see Callidus Software

Callidus Software - This leading provider of Sales Performance Management (SPM) solutions has launched Callidus On-Demand SPM, "a scalable, secure, subscriber-based model that does not require additional IT resources."

Canonical - One of the main sponsors and supporters of Ubuntu - the first Linux distribution to launch a hybrid cloud strategy offering its users integrated open source technology to easily build private clouds combined with a lean operating system designed for use on Amazon's EC2.

Cassatt - [UPDATE: Cassatt is no more. Its key assets were sold to CA in June 2009.] As early as 2004 Cassatt, led by visionary CEO Bill Coleman (the 'B' in BEA Systems), was outlining a roadmap to deliver on the promise of automating IT operations for on-demand computing. Its angle, Cloud Computing-wise: a focus not on public or external clouds but on 'Internal Clouds' since external cloud computing but may be ruled out due to lack of SLA control, security, and compliance, whereas Cassatt contends there is an alternative: an internal Utility Computing architecture yielding the same simplicity and economies-of-scale as an external PaaS cloud.

Cisco -
By virtue of its recent acquisitions, most significantly WebEx and PostPath, Cisco is firmly on its way to joining the Cloud Crowd. “We are believers in the cloud-based delivery model for certain types of services in particular inter-company collaboration services, and that is why we got WebEx and now PostPath,” Charles Carmel, Cisco's vice president of corporate development, told Red Herring in August 2008.

Citrix - Citrix Cloud Center (C3), aimed at Service Providers, is "an integrated portfolio of Citrix delivery infrastructure products packaged and marketed to the cloud service provider market."

Cloud9 Analytics - Offers what is calls "the industry's first truly on-demand analytics platform" - the brainchild of CTO Scott Weiner, who views the Cloud as the ultimate data warehouse in the sky.

Cloudant - A Y-Combinator company whose founders have more than 10 years of experience managing multi-petabyte datasets, Cloudant’s first product is a CouchDB-as-a-Service (CDBaaS?), or what the company calls "Hosted Couch."

CloudBerry Lab - Established in 2008 by a group of experienced IT professionals with the mission "to help organizations in adopting Cloud computing technologies by closing the gap between Cloud vendors propositions and consumer needs through development of innovative low-cost solutions" - flagship product: CloudBerry Explorer for Amazon S3.

Cloudera - Recently co-founded by former Googler Christophe Bisciglia and others, Cloudera help its customers install, configure and run Hadoop for large-scale data processing and analysis.

Cloud Leverage - Launched Feb. 2010, Cloud Leverage is a cloud storage, acceleration, and security platform.

Cloudscale - Cloudscale's unique patent-pending cloud dataflow technology "automatically provides the parallelism and scalability required to handle anything from one-off personal analytics agents up to the most demanding live analytics applications required by the world's leading organizations in business, web, science and government."

CloudSmart - see CSS Corp

CloudShare - Using sophisticated virtualization technology to simulate an entire IT environment, CloudShare "enables technology vendors  and enterprises to conduct evaluations, proofs-of-concept, demos, training and certification without shipping machines or traveling to customers, using an on-demand cloud-based service." 

Cloudswitch - Fast-growing cloud computing company backed by Matrix Partners, Atlas Venture and Commonwealth Capital Ventures, currently in stealth mode. CloudSwitch is developing what it describes as "an innovative software appliance that delivers the power of cloud computing seamlessly and securely so enterprises can dramatically reduce cost and improve responsiveness to the business."

The goal of Cloudworks is to allow small and mid-market companies to outsource all of their computers, software, and data. Completely web-based, it works like Salesforce or Hotmail - a company's employees can log in through a web browser to access their desktop, server, software, files, email...everything.

[Closed its doors February 2009.]

- As the provider of what it calls 'Elastic Server On-Demand' - aimed at "enabling customers to build and manage applications for virtualized infrastructure and cloud computing," CohesiveFT's Elastic Server Platform allows users to assemble and deploy servers to Cloud Computing Platforms "in minutes." The company likes to think of Elastic Server as a Great Enabler, "allowing you to package your apps for prime time, and do it all by yourself."

Cordys - The Process Factory by Cordys is a simple, reliable and secure solution for anyone to create MashApps business processes from the Cloud - simply by mixing and matching standard business applications such as Google apps and commercially available services. MashApps can be made in minutes, without any coding. This tool has the capability to do for cloud application development environments what Visual Basic did for Windows - fast, easy, and efficient to develop and deploy bespoke applications.

CSS Corp - Through CSS Labs, CSS Corp - headquartered in San Jose, CA - develops cloud computing solutions "that help its customers meet real-world business challenges." In November 2009 it launched Go Cloud, an entire suite of platforms and services based on cloud computing. In April 2010 this was expanded into a CSS suite of Cloud management tools including CSS CloudSmart (an ANT-based automated deployment tool to automate complex enterprise application deployment process on the cloud.) In June 2010 it acquire Aliquo Solutions "to help [its] customers manage their technical debt as well as explore new technologies such as cloud computing."

- Cumulux is a Cloud solution provider offering products and services that "help enterprises harness the benefits of the cloud." Cumulux' flagship product, Hybrid Axis "helps enterprises extend their current investments to the cloud by integrating traditional and cloud based applications." Cumulux also offers services like cloud assessments, "rapid prototyping to help enterprises take the right steps towards cloud adoption."

Dataline - Provides cloud computing advice and expertise to the larger FSIs (i.e. Northrop Grumman, Lockheed Martin, etc) and bundles commercial cloud computing offerings in a way that meets Federal customer requirements. Although not a product vendor, the role this company fills as a mid-level Federal System Integrator is crucial to the adoption of these technologies by the public sector.


Desktoptwo -
This "Cloud desktop" offering from Sun Global Partner Sapotek describes itself as "your home in the cloud" and already claims to have users in 120 countries and a vibrant community.


Elastic Compute Cloud - see Amazon EC2

Elastic Computing Platform (ECP) - see Enomaly

Elastra - Styling itself as a provider of "Elastic Computing," Elastra offers to "design, deploy & manage database and application infrastructure in the Cloud in minutes - all with the click of a button." Dedicated to providing companies building applications with a way to radically innovate the way they develop their products and deliver them on IT infrastructure, Elastra's aim is to help a company "unlock the value of cloud computing by using virtualized hardware environments with cloud-provisioned database and infrastructure software that are easily configurable and do not require scripting, respond elastically to changing load and are delivered in the cloud with meter-based pricing."

EMC - When creating a Cloud Computing division within the company in February 2008, EMC CEO Joe Tucci delared that 85 percent of data will be managed in what he called "big, safe information repositories in the Internet ’sky,’ so to speak. We’re [talking] cloud computing..."

Engine Yard - As a company dedicated to "furthering innovation in Ruby, Rails and cloud computing," Engine Yard offers Rails-focused "24/7 operations support on top of great infrastructure" to companies in search of a smooth path from 100 users to 100,000 users. In July 2008 the company closed $15 million of Series B financing led by New Enterprise Associates (NEA), which included participation from It has two PaaS products, xCloud and AppCloud, both based exclusively on open source technology.

ENKI - The company aim is "to allow you to focus on delivering your application to your customers while we handle the operations side: providing computing as a reliable service."

Enomaly - Enomaly offers the "Enomaly Elastic Computing Platform" or "Enomaly ECP" - which it describes as being "the answer for service providers that want to leverage the power, flexibility, and compelling economics of cloud computing."  The aim of ECP is to empower carriers, xSPs and enterprise end-user organizations to deliver infrastructure-on-demand  services to their customers and stakeholders.

enStratus - Arguably the #2 cloud management player next to RightScale, enStratus seeks to to deliver security and reliability for what it terms "confidence in the cloud."  Describing itself as "the leading cloud management platform for enterprise applications," the company is based in Minneapolis, Minnesota and claims to enable "up to six 9’s availability for Amazon Web Services, Rackspace, ReliaCloud and Windows Azure" through a patent-pending security architecture and an intelligent auto recovery engine.


eVapt - Claims to enable "usage based monetization (instant SaaS metering) for SaaS and Cloud Computing vendors."

EyeOS -

F5 Networks -  Any company laying claim to be an IT provider of 41 of the Fortune 50 companies and 15 of the top 15 commercial banks merits attention from a Cloud computing perspective. F5 describes itself as "the only vendor that provides an open architectural framework, offering IT organizations new ways to deliver services that generate true business value." For F5 help on controlling the Cloud, look here.

Flexiant - UK-based Flexiant offers what it calls "pay-as-you-go utility computing solutions, both as a public platform (FlexiScale) and as a licensed product for data center owners (Extility). The company describes its FlexiScale 2.0 as "a complete rebuild of Europe’s first cloud platform using Flexiant’s revolutionary Extility technology."

FlexiScale - The brainchild of CEO Tony Lucas, FlexiScale is a flexible, scalable, automated hosting platform ("Cloud Computing On-Demand"). Lays claim on its site to being "Europe’s first cloud platform," and FlexiScale 2.0, a public cloud launched in June 2010, shows it is still developing actively. - see

Fortress ITX

Founded in 2000, with offices in the US, Europe and Asia, GigaSpaces allows businesses and developers "to predictably scale on-line systems under any peak demand, guarantee real-time performance under any data processing load and seamlessly leverage the economies of scale offered by virtual computing environments such as clouds and grids."

Go Cloud - see CSS Corp

GoGrid/ServPath - Launched in 2006 as ServePath’s latest growth opportunity, GoGrid, claims the company, "delivers true 'Control in the Cloud' by combining many of the familiar features of dedicated server or managed hosting with the flexibility and scalability of cloud server hosting." In other words, with GoGrid customers can grow production servers in real time to meet demand without affecting their uptime. Provisioning and de-provisioning of servers is all done via the Internet.

Google - Without a doubt 'the elephant in the cloud' - According to this well-researched article, Google filed as long ago as February 2006 a provisional patent application with 91 different numbered claims that arguably makes it clear that Google has a multi-year lead in cloud computing.

gOS - Founded in early 2007, Good OS is an operating system software company based in Silicon Valley, California, USA and Taipei, Taiwan. Its mission is: "to enable cloud computing through software."

Greenqloud - Based in Iceland, Greenqloud's founders call it "the world's first truly green public compute cloud." It uses only clean and renewable geothermal and hydro energy sources to power its infrastructure. Being in Iceland there is obviously an abundance of geothermal energy and free cooling but Iceland is also a network hub with redundant low latency multi-terabit fiber connections to N-America and Europe making it much cheaper to serve both markets at once.

Grid Dynamics - Technology consultancy that helps customers "architect, design and deliver business systems that handle peak loads, scale on demand and always stay up - using the latest advances in grid and cloud computing."

Hadoop - See Apache Hadoop

Heroku - According to the San Francisco-based company's founders, "Heroku means never thinking about hosting or servers again." In May 2008 they raised a $3M round of funding for their online deployment system for Ruby on Rails apps. In May 2010 that was followed by a $10M Series B round. A company that testifies to the success of Ruby as a language for building cloud apps, Heroku is a Y! Combinator start-up.

- As long ago as 2009, HP announced its "HP Cloud Assure" offering, a SaaS offering designed "to help businesses safely and effectively adopt cloud-based services." Then in January 2010 Microsoft and HP announced a joint $250M investment over the next three years to create an optimized platform for integrating Microsoft software and HP hardware - all part of Microsoft CEO Steve Ballmer's vision of the cloud as nothing more really than "a modern architecture for how you build and deploy applications.” 

Hubspan - Seattle-based Hubspan, the company behind the industry’s "first secure and reliable single-instance, multi-tenant integration platform delivered as a managed service," has gained widespread traction worldwide with its flagship WebSpan cloud-based solution, a Software-as-a-Service integration platform leverages the SaaS model "to reduce the cost and complexity of integrating processes within and between enterprises."

Founded in 2004, Hyperic provides complete, easy-to-use monitoring and management software for all types of web applications, including hosting it in the cloud via its CloudStatus dashboard currently in beta.

HyperOffice -  A recognized leader in the white-hot online communication and collaboration solutions industry for small to mid sized businesses (SMBs), HyperOffice aims "to empower growing organizations with technology traditionally available only to large enterprises, and help them achieve business growth, competitive advantage and success." The company was one of the first to offer software-as-a-service -  and HyperOffice now has more than 300,000 users worldwide.

IBM - IBM approaches cloud computing "from the inside out" as it describes it. This means that Big Blue's focus is on building the most secure, efficient and resilient infrastructure for today’s organizations, and building the cloud experience as part of that infrastructure. With more than a dozen Blue Cloud Computing Centers worldwide, IBM provides cloud services, ready for use, designed to assist organizations in proving a cloud experience for their constituents. In addition, IBM is the premier company to help build an organization’s private cloud, or leverage any of the many IT services that are today provided by IBM through cloud computing, like Capacity on Demand, or the IBM Information Protection Services.

iCloud - Swedish-based iCloud offers what it calls a "consumer Cloud computer." Describing it as "an affordable and easy to use cloud-based home server with open APIs," the company behind it, Xcerion, provides its users with a full remote management desktop to handle the online computer and manage uploaded files. Xcerion describes iCloud as a "Cloud OS" based on 22 pending patents: in short, a computer online.

- see Kaavo

Intalio - Led by the charismatic Ismael Ghalimi (Co-Founder & CEO), Intalio has since 1999 kept itself at the Enterprise IT forefont, and now provides what it calls "an integrated portfolio of applications for cloud computing." The Intalio|Cloud offering is available through three editions, and the company now calls itself "The Private Cloud Company".

Intel - Intel believes in Open Cloud Standards and one commentator believes there is a strong correlation between how fast cloud computing can proliferate and how well Intel plays its role to lead the open cloud solutions at IaaS and PaaS layers.

Interoute -
Europe’s largest and most advanced fibre optic network, the Interoute platform operates as effectively Europe’s largest privately owned cloud.

Intuit - In April 2008 Intuit launched Intuit Cloud, a cloud computing platform based on Adobe Flex with QuickBase.

Iomart - One of the UK's largest "managed hosting and cloud computing services" companies, iomart Group plc - with its "Step Up to the Cloud" slogan - aims to be the UK market leader.



Jamcracker - Jamcracker enables service providers, cloud providers and enterprise IT organizations to unify cloud services delivery and management for their customers, employees, or through their own channels. Users of the Jamcracker platform include companies such as Telstra, Telus, eircom, AB&T, Cisco, BroadSoft, Nokia Siemens Networks, DHL and many others.

jClouds - An open source framework, the jClouds API aims to help Java developers get started in the cloud and reuse their Java development skills within Cloud computing. The API allows developers "freedom to use portable abstractions or cloud-specific features."  It supports many clouds including Amazon, VMware, Azure, and Rackspace.

Joyent - The Joyent platform, which "enables teams to effectively communicate and collaborate with email, calendaring, contacts, file sharing, and other shared applications," already serves billions of Web pages every month and helped LinkedIn scale to 1 billion page views per month. Self-described as an "On-Demand Computing" provider, Joyent has developed, built and scaled some of the earliest Ruby on Rails applications – and as a result, developed a world-class infrastructure, a methodology around how to deploy and scale (both up and down) Rails applications.

JumpBox - Describes itself as a supplier of "Instant Infrastructure." Specifically, it is a ready-to-deploy virtual computer that contains a pre-configured instance of an application.

Juniper Networks -

Kaavo - provides a platform for managing distributed applications in the clouds. Kaavo’s core product, Infrastructure and Middleware on Demand (IMOD), "makes it easier for individuals and businesses to implement on-demand infrastructure and middleware and run secure and scalable web services and applications." The Kaavo philosophy is that taking a top down application-centric approach of managing infrastructure and middleware makes it easy to fully automate application lifecycle management.


Keynote Systems - Long a player in the SaaS space, in 2009 Keynote opened its cloud infrastructure and offered any Web team free access to KITE (Keynote Internet Testing Environment), its product for testing and analyzing the performance of Web applications across the Internet cloud. With a Web application’s performance depending on a variety of clouds’ infrastructures, ad servers and other third party content, potential pitfalls grow exponentially and Keynote contends understandably that "it’s more important than ever for Internet companies to test and measure applications to ensure a superior end user experience." With KITE, companies have free access to Keynote’s cloud infrastructure and a tool to test and monitor their applications from cities all over the world.

Layered Technologies - Offers virtualization and cloud computing systems.

Layer 7 Technologies - Layer 7 has been helping organizations secure and govern application services for a long while, and is now "changing the way organizations connect to, run in and publish services from the cloud." Layer 7 helps customers with integrating their cloud services—including not just SaaS, but also PaaS and IaaS—with on-premise data and applications. And it helps them protect those services. The product range is pithily named: CloudConnect, CloudControl, CloudProtect.

LinkedIn - see Joyent

LongJump - The Platform-as-a-Service (PaaS) solution that LongJump offers is described by the company as "an on-demand platform for creating and delivering business applications to manage data, streamline collaborative processes and provide actionable analysis." The company claims that the LongJump platform has "extensive features around security access, data analysis and visualization, and process automation – all on the web."

Meeza -
Qatar-based, Meeza is currently the main Cloud Services Provider within Middle East North Africa region.

Mezeo Software -
Houston-based, privately funded software solution provider that has created what it calls "the industry’s first deployable, white label cloud storage platform, enabling service providers to quickly and efficiently enter the cloud storage market" (Mezeo Cloud Storage Platform).

Microsoft -
According to this recent article - "Microsoft's Cloud Vision is Coming Together" - Redmond's Cloud Platform vision is coming together. "Look for more information at PDC2008!" writes Microsoft Developer & Platform Evangelist John C. Stame.

MindTouch - Describing itself as "an open source leader in enterprise Collaborative Networks and powers next generation intranets, extranets and knowledge bases," MindTouch offers its MindTouch Cloud for collaboration "with the ease of a wiki but with the capabilities of a true enterprise platform."

MindTouch Cloud - see MindTouch

Moab - see Adaptive Computing

Morgan Stanley -

MorphLabs - Describing itself as "a comprehensive cloud computing enabler for enterprise and service providers," MorphLabs was established in 2006 "to make elastic computing possible for Enterprise Data Centers and Application Developers." The company currently has presence in North America and Asian markets (its website is available in both English and Japanese versions), and its main offering is the mCloud series - which "virtualizes commodity hardware while simplifying system administration and application management."

NaviSite - At 5th Cloud Expo in New York NaviSite launched its enterprise cloud based services, offered with guaranteed infrastructure and application SLAs, usage-based pricing, and delivered on its enterprise-class, highly available, scalable and secure application-focused NaviCloud platform.


newScale - Adamant that self-service is essential for any public or private cloud, newScale provides a self-service IT storefront for the enterprise, "driving standards and service request automation – from the desktop to the data center, for physical, virtual, and cloud environments." As noted by newScale CTO and founder, Rodrigo Fernando Flores, "Amazon has redefined the expectations and pricing for data center services. Make no mistake, they are competition for enterprise IT. Internal IT departments must get ahead of this challenge, by defining their own Service Catalog, introducing self-service, and deploying their own on-premise cloud." In line with this viewpoint, newScale's own Service Catalog offers a menu of standardized service options, self-service ordering, and billing for cloud resources – thereby "enabling the operating model for a private, internal, or hybrid cloud."

Nimbus -
Nimbus is an open source toolkit "that allows you to turn your cluster into an Infrastructure-as-a-Service (IaaS) cloud." It predates Amazon EC2 though that wire protocol is now supported - in fact as of the latest release in July 2010 there are three interfaces: Amazon EC2 WSDLs, Amazon EC2 Query API and Grid community WSRF. The project defines its mission as being "to evolve the infrastructure with emphasis on the needs of science" - 'Cloud Computing for Science' is its motto - but many non-scientific use cases are supported as well.

Nimbula - Headquartered in Menlo Park, California with a development team in South Africa, Nimbula calims to deliver "a new class of cloud infrastructure and services system that...combines the flexibility, scalability and operational efficiencies of the public cloud with the control, security and trust of today’s most advanced data centers." One of the interesting aspects of this company is that it was founded by the team that developed Amazon EC2 [see entry] - the mother and father of all public cloud services.


Nirvanix - San Diego based Nirvanix provides an enterprise cloud offering, the Nirvanix Storage Delivery Network (SDN) - a "fully-managed, secure cloud storage service developed for today's enterprises." Nirvanix SDN offers companies with more than 5TBs of data a highly scalable storage and delivery platform, The company has already raised more than $18 million in funding from world-class investors including Intel Capital. Customers include Fortune 50, media and entertainment and innovative Web 2.0 customers.

Novell - The recently-announced Novell Cloud Security Service "enables cloud service providers and Software-as-a-Service vendors to ensure their offerings meet the strict security and compliance standards required by global businesses."

OpenNebula - OpenNebula is a widely used open-source tool for the efficient, dynamic and scalable management of VMs within datacenters (private clouds) involving a large amount of virtual and physical servers. It supports Xen, KVM and on-demand access to Amazon EC2. The tool is being used as core component in several cloud projects, such as RESERVOIR.

OpenQRM - openQRM is a "next generation, open-source Cloud Computing and Data-center management platform." Its fully pluggable architecture "focuses on automatic, rapid- and appliance-based deployment, monitoring, high-availability, cloud computing and especially on supporting and conforming multiple virtualization technologies."

OpSource - OpSource, provider of enterprise cloud and Software-as-a-Service hosting & services for Fortune 1000, SaaS and Web companies, claims to support daily "hundreds of applications, millions of users and billions of transactions." Its offerings include the OpSource Cloud and the market-leading OpSource On-Demand, aimed at empowering SaaS ISVs to bring enterprise cloud solutions to their end-users.

Oracle - The world's largest business software company believes that Private Clouds for the exclusive use of one enterprise can mitigate concerns about security, quality of service, integration, compliance, lock-in, and long term costs of public clouds by giving the enterprise greater control.

OrangeScape - Offers a Platform-as-a-Service for building business applications that run on all the major cloud platforms - Google App Engine, Microsoft Azure, IBM SmartCloud, Amazon EC2 - or your own data center.


Oxygen Cloud - Delivers "native desktop collaboration and cloud storage brokering to business end users."

Parallels - Founded in 1999, Parallels optimizes computing by providing virtualization and automation software to businesses and service providers across all major hardware, operating systems, and virtualization platforms. Parallels is working closely with a network of ISVs and service providers to enable them to build their cloud computing and software-as-a-service offerings, meeting the needs of end-user organizations of all size. Parallels technology is also used by large enterprises creating their own in-house clouds.

ParaScale -
"Cloud storage" involves clustering tens to hundreds of servers together to act as one giant file repository with massive capacity and parallel throughput for a variety of applications. ParaScale's software "enables the enterprise or service provider to build enormous storage pools on commodity hardware at an affordable cost."

Penguin Computing - Penguin has launched an HPC cloud called Penguin on Demand (POD). Penguin is targeting researchers, scientists and engineers who need surge capacity for time-critical analyses or can't afford their own HPC cluster.

PerspecSys - Only rarely does a CEO blow me away with what his company is offering, but Terry Woloszyn of is one of those few who does. PerspecSys is leading the world in providing Cloud Data Governance Solutions. If you're unclear what the issues are that PerspecSys is solving (three clues: Privacy • Residency • Security), then watch this Cloud Expo interview, in which Woloszyn explains it beautifully and with infectious clarity.

Platform Computing - Founded in 1992, Platform is a pioneer and global leader in HPC (high-performance computing) and takes the view that there is an intersection between grid computing and cloud computing in that both cloud and grid propose an architecture that masks the complexity of managing thousands of commodity servers from their users.

Postcode Anywhere
- UK-based Postcode Anywhere is a good example of a company that's successfully monetizing cloud-based applications - in this case for UK and international addressing, cleansing and profiling. "We are a cloud computing company and people can benefit from all the tech stuff that enables people to run large scale businesses like the one we have built,” says co-founder Jamie Turner.



Quantivo -
Claims to be "revolutionizing the Business Intelligence (BI) world by combining Cloud Computing with an innovative and patented 'Affinity Analytics' technology." Company recently won the Silicon Valley/San Jose Business Journal’s prestigious Emerging Technology Award in the Cloud Computing category.


Rackspace - Market-leading specialist in hosting and cloud computing services, Rackspace Hosting is "changing the way businesses worldwide buy IT." Rackspace delivers computing-as-a-service, "integrating the industry’s best technologies into a flexible service offering, making computing more reliable and affordable." Rackspace is distinguished by its award-winning "Fanatical Support," furthering the company’s mission to be one of the world’s greatest service companies. Rackspace is recognized as one of FORTUNE Magazine’s 100 Best companies to work for in the US, ranking number 43 on the list. Rackspace's portfolio of hosted IT services includes Managed Hosting, Cloud Hosting, and Email and Apps.

Red Hat - RH believes that its consistent dedication to open source and open standards will further the success of a strong cloud ecosystem. "By bringing together thousands of Red Hat-certified applications, Red Hat Enterprise Linux, JBoss Enterprise Middleware and Red Hat Enterprise Virtualization we aim to deliver the next generation of computing architectures, today," says a company spokesman.


Rhomobile -
Rhomobile provides RhoHub, which is describes as "the world's first Development-as-a-Service for Mobile." RhoHub provides a cloud-based service for both smartphone app development and hosting of mobile applications.

RightNow - With its RightNow Secure Government Cloud, which meets intense levels of security certification and accreditation, RightNow has worked with more than 170 government clients who it claims are already implemented in the cloud. The company claims to be "the only vendor to launch a defense and government-ready SaaS product set that adheres to the stringent security and compliance requirements as set out by the various U.S. government regulating bodies."

RightScale - RightScale offers a fully automated cloud management platform that enables organizations "to easily deploy and manage business critical applications across multiple clouds with complete control and portability." The RightScale Cloud Management Platform is delivered as software-as-a-service (SaaS) and is available in a range of editions, froma free Developer Edition to Enterprise Editions.


rPath -
Founded in 2005, rPath helps organizations "realize the promise and avoid the perils" of cloud computing, "rPath’s Cloud Computing Adoption Model provides a pragmatic, actionable, step-by-step framework for achieving measurable benefits now, while laying the foundation for the strategic benefits of a cloud infrastructure over time."

S3 - - has a toolkit for cloud computing development,

Savvis - Provider of Savvis Cloud Compute, a "right-sized computing environment" launched in February 2009.

ScaleUp Technologies - Offering a cloud platform based in Germany/Europe, ScaleUp claims to go "beyond the virtualization concepts of providing virtual servers and storage capacities that have been around for a couple of years now" and to be capable of "virtually provisioning almost every component of a real-world datacenter with a mouse click." It is is a spin-off of a German based Internet service provider, internet4YOU GmbH & Co. KG.

Secure Government Cloud - see RightNow

ServePath/GoGrid - Launched in 2006 as ServePath’s latest growth opportunity, GoGrid, claims the company, "delivers true 'Control in the Cloud' by combining many of the familiar features of dedicated server or managed hosting with the flexibility and scalability of cloud server hosting." In other words, with GoGrid customers can grow production servers in real time to meet demand without affecting their uptime. Provisioning and de-provisioning of servers is all done via the Internet.

SIMtone - Durham, NC based SIMtone has developed and commercialized a 'Universal Cloud Computing Platform' that allows network operators and businesses "to host, manage and quickly provision any cloud-hosted services, and ubiquitously deliver them to zero-touch terminals that can be standalone, low cost hardware appliances, or software terminals usable via browsers or on PCs, thin clients and mobile devices."

- Seattle-based Skytap's goal is "to bring the power and economics of cloud computing to all business applications, to make businesses agile and productive." Its current product offering, Skytap Cloud, enables companies to develop, test, train, migrate and demo applications in the cloud without requiring any code or architectural changes. The company claims to deliver "70% cost reduction."

[email protected] - [email protected]'s vision is "to create a business-ready service-oriented infrastructure that will empower the service economy in a flexible and dependable way."

SmugMug - Founded 5 years ago, SmuMug calls itself "the ultimate in photosharing" since it offers unlimited storage and stores backup copies of each photo in multiple datacenters. With more than 315,000 paying customers already, and 288,000,000 photos, SmugMug is a QED of cloud computing.

SOASTA - No one who heard SOASTA speak at AJAXWorld in 2007 about best practices in AJAX testing will be surprised to hear that Web testing is also at the heart of its CloudTest offering, a Cloud-based testing solution "built on the cloud to enable application testing in the cloud."

Sonian - Describing itself as the first Email Archiving platform powered by cloud computing, Sonian is a hosted services company on a mission "to help millions of organizations world-wide manage their critical IT functions such as archiving, search, compliance, e-discovery and storage management." Specializes in enterprises and SMBs, and leverages Amazon Web Services, including Amazon S3 [see entry above] for storage.

Spare Backup - Interestingly, this US-based provider of automated, online backup applications for home users and small businesses has made great inroads in Europe and is working with major UK retailers like Carphone Warehouse, Comet and DSGI PLC.

SpringCM - Venture-backed SpringCM has pioneered Enterprise Content Management in the Cloud, making ECM available as "a quick-to-deploy web-based service for a low monthly fee." Cloud-based ECM, says the company, has considerable advantages when compared to the costs and complexities of implementing on-premise enterprise content management solutions and managing them in-house.

Stoneware - Stoneware's webNetwork creates a private cloud platform and the virtual web desktop to access it. The company describes this as "a desktop interface built on Ajax [that] can be accessed from any common web browser such as Internet Explorer, Firefox, Safari, Opera, and Chrome. From the webOS interface, users can access all of their assigned web, Windows, and hosted applications."

StorSimple - StorSimple provides what it calls a "cloud-ready storage appliance." The aim is "to enable customers to seamlessly and securely storage services with their existing data-center applications." The company recently announced integration with Amazon, EMC, Iron Mountain, and Microsoft.

Stratos - see WSO2

StrikeIron IronCloud

Sun - see Oracle

Symplified - Symplified’s vision is to secure the Cloud and SaaS applications by providing what it calls "On-Demand Identity." The company has developed SinglePoint, which it describes as  "a massively scalable Internet utility that delivers access management, authentication, SSO, federation, auditing, compliance and administration capabilities for the cloud." SinglePoint’s "connect once and integrate an ecosystem" unifies multiple cloud apps like, Google, ADP, WebEx, Taleo, Xactly and many others.

10Gen - Co-founded by Dwight Merriman, who also co-founded DoubleClick and served as its CTO for ten years, 10gen is a commercial entity offering "innovative platform technology" around the Mongo database - an open source document-oriented database "which makes data storage for web (and other) applications fast and easy."

Terremark - Offering 'Enterprise Cloud' services that "let you control a resource pool of processing, storage and networking and allow you to deploy server capacity on demand," Terremark as years of experience managing complex, mission critical infrastructures and applications for leading companies around the world.

The GridLayer - see Layered Technologies

ThinkGrid -

3Leaf Systems - Describes itself as a provider of "next-generation server solutions to enable cloud computing." Specifically, 3Leaf offers to help companies "achieve a terabyte of DRAM at dramatically low cost" based on low-cost commodity servers by providing virtualization of CPU and memory for an entire server farm. 3PAR- Recently announced its "Cloud-Agile" program, a new partnership initiative "to promote the adoption of cloud computing and cloud-based services offered by leading providers with infrastructures powered by 3PAR Utility Storage."

3Tera - Offering what it calls "Cloud Computing Without Compromise," 3Tera enables the provision and deployment of "scalable clustered applications in minutes from anywhere in the world." The company was recently acquired by CA.

Ubuntu - see Canonical

UC4 - UC4 products, which work across physical, virtual, and cloud computing environments, bring what the company calls "Intelligent Service Automation" to more than 1,700 companies worldwide - enabling automation, in effect, both on-premise and in the cloud. The company claims to be able to "Bridge the cloud automation gap between old and new applications and automate processing across your enterprise."

Unisys -The Unisys cloud computing strategy enables clients to choose the type of data center computing services that best meet their business objectives, from self-managed, automated IT infrastructures to Unisys-managed cloud services. Using Unisys services and technologies, organizations can create a private cloud within their data centers, a public cloud through secure Unisys-managed cloud solutions, or a hybrid cloud solution combining the best of both private and Unisys-managed cloud services.

Univa UD - Univa UD is a leader and innovator in software solutions for cloud enablement. The company's software suite includes infrastructure management and service governance for cloud and HPC environments and spans all 3 cloud scenarios: public, private and hybrid. "With Univa products, companies can build private internal compute clouds, create clusters in a public cloud, or span the two by cloudbursting from an internal to external environment on demand."

vCloud - see VMware

Vertica - Vertica Analytic Database for the Cloud is "an on-demand version of Vertica’s blazingly fast, grid-enabled columnar database hosted on Amazon's EC2."

Virtual Ark - Virtual Ark is committed to "delivering competitive advantage to major global customers through outsourced IT application management in the cloud." The newly launched company's aim is to be the leading global provider of Enterprise Application Managed Services in specific industries to major global customers on Cloud Computing Infrastructure.

Virtual Logistics - Specialist in what is calls cloud-based "ÏaaS Integration", the service offered by Ontario-based Virtual Logistics is a configurable any-to-any integration service that is transportable should the client want to transition to on-premise.

Virtual Workspaces

VMware - "A virtualization leader and pioneer, VMware has effectively delivered the technology that makes today’s clouds possible. With the pervasive presence of VMware in many accounts, enterprises are leveraging their virtualization infrastructure to build internal clouds, and leverage technology like VMotion to flex resources for DR or test and development to external clouds, as needed." Its vCloud initiative, says the company, "offers users of all sizes this robust and reliable platform, support for any application on or off site, and choice from over 100 service providers worldwide who deliver the cloud on VMware." Another usefully concise vCloud summary is at its Twitter stream: " VMware vCloud delivers a single way to run, manage, and secure your applications where you want them, when you want them."

WebSpan - see Hubspan

WorkXpress - PaaS pioneer WorkXpress released v 2.0 of its flagship customizable software platform in April 2009. "WorkXpress 2.0 is the world’s most functional PaaS (Platform as a Service)" claimed the Company in an accompanying statement.

WSO2 - Long known as an Apache-oriented firm specializing in lightweight services infrastructure, WSO2 began offering in June 2010 a private cloud building platform, Stratos.

Xcerion - see iCloud

- see EngineYard


Zetta - Provider of what it describes as "best-in-class NAS storage in the cloud." Zetta's founders are the team who commercialized the web as the leaders of Netscape.

Zeus Technology - In October 2010 load-balancing experts Zeus announced a Cloud and Hosting Service Provider Partner Program "designed to help remove barriers to enterprise cloud adoption." Priced on a subscription-based model, Zeus solutions aim to ensure that all Service Provider's customers' load balancing needs are met throughout all phases of growth, making the SP a more attractive option for high-value customers and enhancing their current relationships. A cloud-based win-win.

Zimory - A spin-off of Deutsche Telekom Laboratories, Zimory "enables dynamic, on-demand movement of applications automatically between servers in one or many locations, as well as creating the world's first marketplace for computing capacity." Based in Berlin, the company develops a dynamic infrastructure solution for data centers to create a modern Adaptive Cloud Infrastructure - "improving flexibility and reducing operating costs."


Zuora - With its "Powering the Business Cloud" slogan, Zuora has planted its flag firmly atop the Cloud Billing mountain. The company describes its Z-Commerce Platform as "the first commerce platform for cloud developers."

More Stories By Jeremy Geelan

Jeremy Geelan is Chairman & CEO of the 21st Century Internet Group, Inc. and an Executive Academy Member of the International Academy of Digital Arts & Sciences. Formerly he was President & COO at Cloud Expo, Inc. and Conference Chair of the worldwide Cloud Expo series. He appears regularly at conferences and trade shows, speaking to technology audiences across six continents. You can follow him on twitter: @jg21.

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