Free software companies

defunct American computer hardware and software company

American multinational software company

London-based software company, developer of Ubuntu

MariaDB is a community-developed, commercially supported fork of the MySQL relational database management system (RDBMS), intended to remain free and open-source software under the GNU General Public License. Development is led by some of the original developers of MySQL, who forked it due to concerns over its acquisition by Oracle Corporation in 2009.

American software company

JetBrains s.r.o. (formerly IntelliJ Software s.r.o.) is a global software development private limited company which makes tools for software developers and project managers. The company has its headquarters in Amsterdam, and has offices in China, Europe, and the United States.

Finnish software company

Mandriva S.A. was a public software company specializing in Linux and open-source software. Its corporate headquarters were in Paris, and it had development centers in Metz, France and Curitiba, Brazil. Mandriva, S.A. was the developer and maintainer of a Linux distribution called Mandriva Linux, as well as various enterprise software products. Mandriva was a founding member of the Desktop Linux Consortium.

Swedish company

company offering commercial support for free software

open-source software company

Automattic Inc. is an American global distributed company most notable for WordPress.com and its contributions to the WordPress system. The company was founded in 2005.

Databricks, Inc. is an American software company based in San Francisco. It was founded in 2013 by the original creators of Apache Spark. It offers a cloud-based platform for data analytics and artificial intelligence.

Cloudera, Inc. is an American data lake software company.

patent non-aggression community

ScyllaDB is a source-available distributed NoSQL wide-column data store. It was designed to be compatible with Apache Cassandra while achieving significantly higher throughputs and lower latencies. It supports the same protocols as Cassandra (CQL) and the same file formats (SSTable), but is a completely rewritten implementation, using the C++20 language replacing Cassandra's Java, and the Seastar asynchronous programming library replacing classic Linux programming techniques such as threads, shared memory and mapped files. In addition to implementing Cassandra's protocols, ScyllaDB also implem

Eazel was an American software company operating from 1999 to 2001 in Palo Alto and then Mountain View, California. The company's flagship product is the Nautilus file manager for the GNOME desktop environment on Linux, which was immediately adopted and maintained by the free software movement. As the core of Eazel's business model, it is an early example of cloud storage services in the form of personal file storage, transparently and portably stored on the Internet.

Chinese Company

Namesys was a California corporation responsible for the design and implementation of the ReiserFS and Reiser4 filesystems. It has been inactive since late 2007 and, , is listed with the State of California with a status of "Suspended". Owned by Hans Reiser, Namesys was based in Oakland, California and also operated in Russia. The company also provided support for Linux systems.

right|300px|thumb|alt=Elphel NC353L|Elphel model 353 with internal HDD Elphel, 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.

EnterpriseDB (EDB) is an American company that provides software and services based on the open-source database PostgreSQL (also known as Postgres), and is one of the largest contributors to Postgres. EDB develops and integrates performance, security, and manageability enhancements into Postgres to support enterprise-class workloads. 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.

Igalia is a private, worker-owned, employee-run cooperative model consultancy focused on open source software. Based in A Coruña, Galicia (Spain), Igalia is known for its contributions and commitments to both open-source and open standards. Igalia's primary focus is on open source solutions for a large set of hardware and software platforms centering on browsers, graphics, multimedia, compilers, virtualization, embedded Linux, and device drivers.

Sourcefire, 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.

Collabora Ltd is a private open-source software consulting company headquartered in Cambridge, United Kingdom, with an additional office in Montreal. It provides consulting, training, and product development services to organizations using open-source technologies.

American technology company

Project.net was an open-source, enterprise scale project management application for Microsoft Windows and Unix operating systems. Project.net is commercial open source. Support and training was available from Project.net Inc. of Bedford, Massachusetts. Around october, 2022 (ten years after the last update) the project webpage was replaced by a contact form for the original parent company of Project.net: Integrated Computer Solutions, Inc..

community-run software project

American technology company

CollabNet VersionOne is a software company founded by Tim O’Reilly, Brian Behlendorf, and Bill Portelli, headquartered in Alpharetta, Georgia, United States. CollabNet focuses on value stream management, DevOps, agile management, application lifecycle management (ALM), and enterprise version control.

HashiCorp, Inc. is an American software company with a freemium business model based in San Francisco, California. HashiCorp provides tools and 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. The company name HashiCorp is a portmanteau of co-founder last name Hashimoto and Corporation.

Digium, Inc. is a communications technology company based in Huntsville, Alabama, and since 2018, a subsidiary of Sangoma Technologies Corporation. The company makes VoIP business phone systems, IP phones, and hardware products. It was founded in 1999 by Mark Spencer.