WCaldera International, earlier Caldera Systems, was an American software company that existed from 1998 to 2002 and developed and sold Linux- and Unix-based operating system products.
WCanonical Ltd. is a UK-based privately held computer software company founded and funded by South African entrepreneur Mark Shuttleworth to market commercial support and related services for Ubuntu and related projects. Canonical employs staff in more than 30 countries and maintains offices in London, Austin, Boston, Shanghai, Beijing, Taipei, Tokyo and the Isle of Man.
WCollabora is a global private company headquartered in Cambridge, United Kingdom, with offices in Cambridge and Montreal. It provides open-source consultancy, training and products to companies.
WDEFCAD, Inc. is a startup that has created a search engine and web portal for designers and hobbyists to find and develop 3D printable and other CAD models online.
WElphel, Inc. designs and manufactures open hardware and free software cameras. The company was founded in 2001 by Russian physicist Andrey Filippov, who emigrated to the US in 1995.
WEnterpriseDB (EDB), a privately held company based in Massachusetts, provides software and services based on the open-source database PostgreSQL. EDB develops and integrates performance, security, and manageability enhancements into PostgreSQL to support enterprise-class workloads for its database, EDB Postgres Advanced Server. EDB has also developed database compatibility for Oracle to facilitate the migration of workloads from Oracle to EDB Postgres and to support the operation of many Oracle workloads on EDB Postgres.
WFixstars Solutions, Inc. is a software and services company specializing in multi-core processors, particularly in Nvidia's GPU and CUDA environment, IBM Power7, and Cell. They also specialize in solid-state drives and currently manufacture the world's largest SATA drives.
WHashiCorp is a software company with a Freemium business model based in San Francisco, California. HashiCorp provides open-source tools and commercial products that enable developers, operators and security professionals to provision, secure, run and connect cloud-computing infrastructure. It was founded in 2012 by Mitchell Hashimoto and Armon Dadgar.
WIntegrated Computer Solutions, Inc. (ICS) of Waltham, MA, provides consulting, support, training and add-on products for the Qt cross-platform framework. ICS is a Qt Software Preferred Training and Consulting Partner. ICS’s clients are typically large-scale organizations whose core businesses are technology dependent.
WMirantis Inc. is a Campbell, California, based B2B open source cloud computing software and services company. Its primary container and cloud management products, part of the Mirantis Cloud Native Platform suite of products, are Mirantis Container Cloud and Mirantis Kubernetes Engine. The company focuses on the development and support of container and cloud infrastructure management platforms based on Kubernetes and OpenStack. The company was founded in 1999 by Alex Freedland and Boris Renski. It was one of the founding members of the OpenStack Foundation, a non-profit corporate entity established in September, 2012 to promote OpenStack software and its community. Mirantis has been an active member of the Cloud Native Computing Foundation since 2016.
WThe Mozilla Corporation is a wholly owned subsidiary of the Mozilla Foundation that coordinates and integrates the development of Internet-related applications such as the Firefox web browser, by a global community of open-source developers, some of whom are employed by the corporation itself. The corporation also distributes and promotes these products. Unlike the non-profit Mozilla Foundation, and the Mozilla open source project, founded by the now defunct Netscape Communications Corporation, the Mozilla Corporation is a taxable entity. The Mozilla Corporation reinvests all of its profits back into the Mozilla projects. The Mozilla Corporation's stated aim is to work towards the Mozilla Foundation's public benefit to "promote choice and innovation on the Internet."
WNexenta Systems, Inc. is a company that markets computer software for data storage and backup, headquartered in San Jose, California. Nexenta develops the products NexentaStor, NexentaCloud, NexentaFusion, and NexentaEdge.
WPantheon is a webops platform for open-source Drupal and WordPress websites. It is an app-specific PaaS provider, sold on a monthly subscription basis, with several support tiers available.
WProject.net is an open-source, enterprise scale project management application for Microsoft Windows and Unix operating systems. Project.net is commercial open source. Support and training are available from Project.net Inc. of Bedford, Massachusetts.
WProtecode was a private company based in Ottawa, Ontario, Canada that provided open source license and security management software used for software development license compliance.
WThe Qt Company is a software company based in Espoo, Finland. It oversees the development of its Qt application framework within the Qt Project. It was formed following the acquisition of Qt by Digia, but was later spun off into a separate, publicly traded company.
WRed Hat, Inc. is an American IBM subsidiary software company that provides open source software products to enterprises. Founded in 1993, Red Hat has its corporate headquarters in Raleigh, North Carolina, with other offices worldwide.
WSirius Corporation ltd is a company based in Weybridge, United Kingdom, which provides a range of open-source software services to medium and enterprise level organisations to allow them to maximise their productivity whilst minimising their risk. Sirius provide network and infrastructure deployment, application development and technical support.
WSleepycat Software, Inc. was the software company primarily responsible for maintaining the Berkeley DB packages from 1996 to 2006.
WSourcefire, Inc was a technology company that developed network security hardware and software. The company's Firepower network security appliances were based on Snort, an open-source intrusion detection system (IDS). Sourcefire was acquired by Cisco for $2.7 billion in July 2013.
WSun Microsystems, Inc. was an American technology company that sold computers, computer components, software, and information technology services and created the Java programming language, the Solaris operating system, ZFS, the Network File System (NFS), VirtualBox, and SPARC microprocessors. Sun contributed significantly to the evolution of several key computing technologies, among them Unix, RISC processors, thin client computing, and virtualized computing. Sun was founded on February 24, 1982. At its height, the Sun headquarters were in Santa Clara, California, on the former west campus of the Agnews Developmental Center.
WSUSE is a German-based multinational open-source software company that develops and sells Linux products to business customers. Founded in 1992, it was the first company to market Linux for enterprise. It is the developer of SUSE Linux Enterprise and the primary sponsor of the community-supported openSUSE Project, which develops the openSUSE Linux distribution. While the openSUSE "Tumbleweed" variation is an upstream distribution for both the "Leap" variation and SUSE Linux Enterprise distribution, its branded "Leap" variation is part of a direct upgrade path to the enterprise version, which effectively makes openSUSE Leap a non-commercial version of its enterprise product.
WVuze, Inc. is an American media-services provider founded in 2006 by some of the core developers of the open source BitTorrent client Azureus. Based in San Mateo, California, Vuze provides on-demand content watchable on a computer monitor or a connected TV. It bills itself as "the company behind Azureus".
WZeroC is a software company based in Jupiter, Florida, United States.