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SouJava is a Brazilian nonprofit Java User Group that promotes Java, open-source software, open standards, and participation in the Java community.

Last updated August 31, 2026

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Overview

SouJava is a Brazilian Java User Group and nonprofit technology community focused on promoting the Java programming language, open-source initiatives, open standards, and participation in the international Java ecosystem. Its name is an acronym derived from Sociedade de Usuários Java, or Java Users Society, while the expression “Sou Java” means “I am Java” in Portuguese. The organization was founded in September 1999 by Bruno Souza, widely associated with the JavaMan community identity, and Einar Saukas. It was initially registered as a technology group within Sucesu-SP, a Brazilian association for technology groups, before being publicly announced at a press conference on October 29, 1999. The organization developed as a volunteer-supported community rather than as a commercial software vendor. Its early structure was comparatively flat, with leadership roles and a technical coordination function alongside a broader membership. As participation expanded, SouJava adopted a more formal governance model under a board of directors. Its leadership positions are voluntary and unpaid, and its activities have included community meetings, technical education, conferences, advocacy, and representation of Brazilian developers in international Java forums. SouJava became especially prominent because of its scale. On November 28, 2004, it obtained nongovernmental organization status after reaching almost 18,000 members and was recognized at that time as the world’s largest Java User Group. The organization later described itself as having approximately 40,000 members, although the available reference material does not establish a current membership figure. Its principal base is São Paulo, with branches or local presence in Campinas, Rio de Janeiro, and Brasília. Beyond user-group activities, SouJava has participated in discussions about software policy and the adoption of open technologies in Brazil. It helped promote an open-standards and open-platforms manifesto, organized the Javali event at the Fórum Internacional de Software Livre, and worked with Brazil’s Federal Government Information Technology National Institute. These activities placed the group in debates about public-sector technology choices and the role of open-source software. The reference material also credits this broader Brazilian open-source movement with contributing to pressure that encouraged Sun Microsystems to open-source Java, although the precise causal contribution of SouJava cannot be quantified from the available sources. SouJava has also contributed to Java governance. In 2011, it became the first Java User Group nominated to the Java Community Process Executive Committee as a Java Community Process Expert Group Member. It was named Java Community Process Member/Participant of the Year in 2012 and received recognition as an Outstanding Adopt-a-JSR Participant in 2013. Together with the London Java User Group, SouJava co-created the Adopt a JSR program, which encourages Java User Groups and individual community members to study, discuss, test, and contribute feedback to Java Specification Requests. The organization’s identity is therefore based on community participation rather than a conventional consumer brand. Its principal offerings are events, education, networking, advocacy, and pathways into Java standards work. SouJava’s historical importance lies in connecting Brazilian developers with the global Java ecosystem while supporting open-source and open-standards adoption in Brazil.

History

SouJava emerged in Brazil during the rapid expansion of Java-based software development in the late 1990s. Bruno Souza and Einar Saukas founded the group in September 1999, initially organizing it as a technology group registered through Sucesu-SP. A public announcement followed at a press conference on October 29, 1999. The name refers both to Sociedade de Usuários Java and to the Portuguese phrase “Sou Java,” meaning “I am Java.” From its beginning, SouJava operated as a nonprofit community supported by volunteers. Its initial governance was informal and relatively flat. The original leadership arrangement identified Einar Saukas as president, Jefferson Conz as vice-president, and Bruno Souza as technical coordinator for the 1999–2003 period. As the membership base grew, the organization moved toward a more formal structure directed by an elected board. Leadership roles remained voluntary and unpaid. SouJava expanded through technical events, conferences, developer networking, and educational activities. Its growth was substantial: by November 2004, it had almost 18,000 members, obtained nongovernmental organization status, and was recognized as the world’s largest Java User Group. Later descriptions associated the group with a membership of approximately 40,000, although the available material does not provide a current independently verified figure. The organization established its main base in São Paulo and developed branches or local chapters in Campinas, Rio de Janeiro, and Brasília. The group’s work extended beyond programming education. SouJava participated in Brazil’s open-source and open-standards movement by leading an open standards and platforms manifesto, organizing Javali at the Fórum Internacional de Software Livre, and collaborating with the Brazilian Federal Government’s Information Technology National Institute. These efforts supported discussion of open platforms and public-sector technology policy. The available account connects this activity with broader pressure that helped encourage Sun Microsystems to open-source Java, but it does not assign a measurable share of responsibility to SouJava. SouJava also became active in the formal governance of the Java platform. In 2011, it was the first Java User Group nominated for the Java Community Process Executive Committee as an Expert Group Member. The group received the Java Community Process Member/Participant of the Year award in 2012 and was recognized as an Outstanding Adopt-a-JSR Participant in 2013. In partnership with the London Java User Group, it co-created Adopt a JSR, a program intended to bring user groups and developers into the Java Specification Request process through review, experimentation, discussion, and feedback. SouJava was nominated again for a Java Community Process participant award in 2014. SouJava’s historical role is that of a community institution rather than a commercial software brand. Its influence has come from organizing developers, supporting knowledge exchange, promoting open-source and open-standard approaches, and providing a Brazilian voice in international Java activities. The available references do not document a specific current leadership team, financial structure, or present membership total.

  • 2014

    Further Java Community Process nomination

    [1]

    SouJava was nominated for the Java Community Process Member/Participant of the Year distinction.

  • 2013

    Adopt-a-JSR recognition

    [1]

    SouJava received recognition as an Outstanding Adopt-a-JSR Participant of the Year.

  • 2012

    Java Community Process participant award

    [1]

    SouJava was named Java Community Process Member/Participant of the Year.

  • 2011

    First Java User Group nominated to JCP executive governance

    [1]

    SouJava became the first Java User Group nominated for the Java Community Process Executive Committee.

  • 2004

    NGO status and major membership growth

    [1]

    SouJava obtained nongovernmental organization status after reaching almost 18,000 members.

  • 1999

    SouJava is founded

    [1]

    Bruno Souza and Einar Saukas founded the Brazilian Java User Group in September 1999.

  • 1999

    Public launch

    [1]

    SouJava was publicly announced at a press conference on October 29, 1999.

Products and positioning

A volunteer-led Brazilian Java community and advocacy organization connecting local developers with Java education, open-source initiatives, open standards, and international Java governance.

  • Community and education

    Java community events

    SouJava organizes or supports Java conferences, technical meetings, and community activities in Brazil. These events provide opportunities for developers to exchange practical knowledge, discuss Java technologies, build professional networks, and connect Brazilian participants with the wider Java ecosystem. The reference material identifies several conferences and activities but does not provide a complete catalog or current event schedule.

  • Java standards participation

    Adopt a JSR

    Co-created by SouJava and the London Java User Group, Adopt a JSR encourages Java User Groups and other community participants to engage with Java Specification Requests. Participation can involve learning about a specification, discussing its implications, testing implementations, and providing feedback to the Java standards process.

  • Technology advocacy

    Open-source and open-standards advocacy

    SouJava has promoted open-source initiatives and open standards through advocacy, public events, and collaboration with Brazilian technology institutions. Its activities have included an open standards and platforms manifesto and participation in discussions concerning the adoption of open technologies by government and other organizations.

Marketing campaigns

  • Adopt a JSR

    International Java community

    SouJava and the London Java User Group created Adopt a JSR to encourage Java User Groups and developers to participate in Java Specification Requests and become more involved in Java platform governance.

    Outcome. SouJava received recognition as an Outstanding Adopt-a-JSR Participant of the Year in 2013.

  • Open standards and platforms manifesto

    Brazil

    SouJava led an initiative advocating open standards and platforms in Brazil, contributing to public discussion about open-source technology and government technology adoption.

    Outcome. The available source links the initiative to broader open-source advocacy in Brazil but does not provide a separately measurable outcome.

  • Javali at Fórum Internacional de Software Livre

    Brazil

    SouJava organized Javali as part of the Fórum Internacional de Software Livre, using the event to support discussion and adoption of open-source technologies.

Brand decisions

  • 2011

    Participation in Java Community Process executive governanceStrategy

    Background

    SouJava sought to represent the Java User Group community in the formal process governing Java specifications.

    Action taken

    It became the first Java User Group nominated for the Java Community Process Executive Committee as an Expert Group Member.

    Aftermath

    The organization received subsequent recognition for its participation in the Java Community Process and Adopt-a-JSR activities.

  • 2004

    Formalization as a nongovernmental organizationStrategy

    Background

    Rapid membership growth made a more formal organizational structure increasingly important for the volunteer-led Java User Group.

    Action taken

    SouJava obtained nongovernmental organization status on November 28, 2004.

    Aftermath

    The organization was recognized as the world’s largest Java User Group after reaching almost 18,000 members.

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