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OSA’s members collectively form the governing body that sets OSA’s direction and priorities, and solicits input from and drives its activities in the broader open source ecosystem. Members have voting and governance rights, as well as the responsibility to drive OSA’s day to day operations. Member organizations bring meaningful expertise and thought leadership to the table that helps advance the cause of OSA and its key activities.

Adaptive Planning, the leading provider of collaborative business performance management solutions, makes it easy for companies to move beyond spreadsheets and improve performance by automating their budgeting, forecasting, reporting, and analysis. With on-demand, on-premises, and free open source options, Adaptive Planning delivers unprecedented value through low cost solutions, rapid deployments, and world-class support. Named "2007 Mid-Market Vendor of the Year" by BPM Partners, Adaptive Planning is used by thousands of businesses worldwide.

Black Duck Software is the leading provider of software compliance management solutions that help companies govern how software assets are created, managed and licensed. Black Duck's offerings help businesses take maximum advantage of open source software while at the same time ensure that they satisfy the obligations associated with the code they use. Black Duck's customer base includes enterprises, product developers, outsourcers, law firms and other organizations worldwide that are concerned with protection of software intellectual property.
bluenog logoBluenog shares the OSA’s vision of open source interoperability and commercial readiness,” said Suresh Kuppusamy, CEO of Bluenog.  “The Bluenog ICE suite is an Integrated Collaborative Environment that tightly integrates content management, portal, and business intelligence software while also offering ready integration with leading commercial technologies. Our commercial product is based on open source projects, and we provide our customers with full access to the source code to further facilitate integration, choice, and flexibility.”

Concursive is the developer of the world's most advanced, enterprise-class open Customer Relationship Management system. Its Java/J2EE, web-based, and object-oriented architecture runs on all standards-based platforms. It's used today by Fortune 500 companies in large configurations and by thousands of smaller businesses. ConcourseSuite includes all common CRM modules and adds significant capabilities such as cross-module Action Plans, collaborative Project and Document Management, fully integrated Web Content Management, Customer Surveys, and sophisticated Help Desk functions. ConcourseSuite is ideal for companies that are serious about security, scalability, and robust features. And all in a package that is low cost and easy to use, deploy and maintain.
Corratech logoCorraTech is a leading, open source software services and consulting firm and founder of the open source project OPENSUITE. OPENSUITE delivers pre-integrated, open source applications in a pluggable framework that allows business users to maximize the benefits of open source. Through OPENSUITE, businesses of all sizes can extend their investment in multiple open source applications by improving functionality, synchronizing data, and simplifying IT maintenance.
Essentia LogoEssentia, the leading provider of solutions for commercial open source software communities, was founded in 2006 by experts in open source and collaborative software development who have delivered, deployed, and managed many of the most significant first-generation communities like, and Subversion. Essentia is a global company based in San Francisco, CA and Chennai, India with offices in Austin and Houston, Texas; New Jersey; London, UK; and Singapore. Essentia customers include Fortune 500 and emerging companies. More information is available at
 Hyperic provides the only open source systems management software purpose-built to maximize availability for the Next Generation Data Center. Hyperic's software provides unprecedented cross-stack visibility and empowers helps enterprises to pinpoint, correct and prevent problems at every layer—including hardware, networks, virtualization, middleware and applications. Hyperic's technology-neutral approach ensures manageability across today’s technologies in the market today as well as those of tomorrow. Hyperic's software manages enterprises of all sizes, including Hi5 Networks, Ogilvy & Mather,, and more. Founded in 2004 and headquartered in San Francisco, California, Hyperic is a private company funded by Benchmark Capital and Accel Partners.
Ingres logoIngres Corporation is a leading Business Open Source software company, created in November 2005 as part of a partnership between CA, Inc. (NYSE: CA) and Garnett & Helfrich Capital. Based on more than 25 years of technology investment, Ingres Corporation offers a product family of enterprise-class, highly scalable databases and tools that are currently being used by more than 10,000 major global customers and partners. Ingres's database technology is also embedded in a large number of major third-party software offerings including CA's primary product offerings Unicenter and eTrust. Ingres Corporation is headquartered in Redwood City, California, and has major development, sales and support centers throughout the United States, United Kingdom, Germany, France and Australia, and supports customer implementations in more than 58 countries around the world.
Iona logoIONA delivers value to its customers through its Artix and Orbix product families and the FUSE family of open source distributed SOA infrastructure software products. These products employ standards-based technology, deployed in a distributed manner, to address the enterprise SOA infrastructure software requirements of our customers.
 Jaspersoft is the market leader in open source business intelligence (BI). With more than two million downloads worldwide and more than 5,000 commercial customers in 81 countries, Jaspersoft offers the most widely used open source BI software in the world. The Jaspersoft Business Intelligence Suite is comprised of an interactive reporting server, graphical and ad hoc report design interfaces, OLAP analysis, and a Java reporting library for scalable, small, medium, and large enterprises, for use as either stand-alone or embedded BI applications. Jaspersoft is based in San Francisco and is backed by leading venture capital firms Morgenthaler Ventures, Doll Capital Management, and Partech International.
Mambo LogoThe Mambo Foundation is an Australian non-profit corporation formed to serve as an umbrella sheltering the Mambo Open Source Project. The purpose of the Foundation is to provide support and protection for the development of the Mambo content management system.
Onepoint logoOnepoint is the first vendor of Project Leadership Software for small and medium-sized businesses, integrating project planning, progress tracking, controlling, monitoring and reporting into a single, easy-to-use solution. Our unique approach of combining the advantages of traditional client-server systems and next generation Web applications enables our customers to efficiently edit and view all up-to-date, project-related information - anytime and from everywhere in the world - without installing client software.
Openbravo is the leading professional web-based open source enterprise management (ERP) solution for small and midsize enterprises (SMEs). Driven by open source philosophy and best-in-class services, it delivers a fully integrated, web-based ERP system tailored to the needs of any company, regardless of size or industry sector. The functionality of Openbravo is in continual growth thanks to an expanding international community of users, partners and developers. The system is used by many companies in the distribution, services and manufacturing industries. Interested partners are provided with powerful tools and guidance to help them create and manage profitable businesses based upon Openbravo. A thriving developer community worldwide works to build Openbravo into the ideal, cost-effective professional ERP solution for SMEs. Openbravo helps companies to manage daily operations, optimize business processes, enhance customer satisfaction and ultimately increase profitability. And because it is open source, Openbravo puts the customer in full control without the overheads of contracts or licenses. In January 2006, Openbravo secured a €5 million ($6.4m) financing agreement with Sodena - record funding for an open source ERP company - to fuel further software development and international growth.
Palamida Logo
Palamida enables organizations to confidently leverage open source and third party code while maintaining software intellectual property compliance. Detailed analysis of the code base provides customers with a complete code inventory - a critical component of software development, risk mitigation and vulnerability assessment. logo, the leading project and portfolio management application with more than 50,000 users in medium to Global 2000 companies worldwide, helps companies realize dramatic cost and time savings by enabling them to improve project execution across the enterprise. is available in both enterprise and commercial open source versions, addressing the needs of a broad range of organizations, from those requiring commercial quality support and services to users seeking free and open access to an enterprise-proven project and portfolio management solution.
RB logo
Redmayne-Bentley Stockbrokers is the largest independent stock brokerage in the United Kingdom. Redmayne-Bentley Stockbrokers is a trading name of Redmayne-Bentley, a partnership that is authorized and regulated by the Financial Services Authority.
sourceforge is the world's largest Open Source software development web site, hosting more than 140,000 projects and over 1,400,000 registered users. facilitates collaborative open source development by providing services to project administrators and downloaders--including support requests, bug reporting, feature requests, forums, statistics, project news, screenshots, and mailing lists.
 SpikeSource integrates, manages and distributes open source applications through a global network of trusted solution providers. The company certifies complete solutions with an automated test framework that performs over 300,000 daily tests. The SpikeSource portfolio of SpikeIgnited solutions includes a comprehensive software update and support service called SpikeNet.
Talend LogoTalend is the first company to provide open source software tools for the ETL market. The company's solutions break rank with the market by supplying open, innovative and more powerful software. Talend's software is distributed under open source license. The company’s flagship product, Talend Open Studio, has been downloaded over 30,000 times in less than four months. Their objective is to reach 100,000 downloads by the end of June 2007.
TOSTA LogoThe Open Source Technology Alliance (TOSTA) is a chapter/member based Educational and Collaborative Exchange for Private and Public Sector organizations and Educational Institutions interested in furthering their knowledge and understanding of open source software. TOSTA provides Consulting, Technical Resources, Risk Management, Education and Compliance Services to organizations that currently use or plan to use open source software.
Unisys LogoUnisys Open Source practice is based on its Open and Secure Integrated Solutions (OASIS) framework which addresses key requirements for a secure, integrated software stack, enterprise platforms, and end-to-end support of an application infrastructure built upon Open Source software. Unisys brings together best-in-class Open Source solutions, value-add technology, services, and key commercial offerings that use Open Source components.

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