Open Source as a path to digital transformation: When open technology becomes global public policy

When open technology is guided by sound principles, it becomes public policy. The synergy between OSI and the UN is driving the adoption of open source as a pillar of ethical innovation, international collaboration and digital inclusion. Initiatives such as EU OS, inspired by policies such as the European Strategy for Free Software and Open Standards or the Interoperable Europe Act, demonstrate how open source represents the democratisation of technology, gaining scale, legitimacy and global impact.

Digital innovation is shaping our world at an unprecedented pace, and at its heart lies a phenomenon that is often invisible but has a colossal impact: open-source software. Over 70 per cent of web servers run on open-source software, a statistic that highlights a massive and often underestimated reliance on infrastructure within the global digital backbone. The ubiquity of open source in our digital daily lives – from the operating systems on our mobile phones to the platforms that underpin the internet – means that the health, security and sustainability of these projects are no longer a niche technical concern but have become a central issue for global digital stability. This fact elevates the importance of initiatives such as the Open Source Initiative (OSI) and the United Nations Open Source Principles (UNOSP) from a mere "nice-to-have" to a critical safeguard for the digital economy and sovereignty, and they emerge as crucial strategic milestones. These global initiatives provide an essential framework for the adoption and responsible governance of open source, ensuring that its growth is sustainable and aligned with broader development objectives.

Open source goes beyond the mere availability of source code; it represents a collaborative development paradigm that promotes transparency, flexibility and innovation. It is not merely a technological choice, but a driver of social and economic transformation, which democratises access to technology and accelerates the resolution of complex problems.

What is open source?

The concept of open source describes software whose source code is publicly accessible, allowing any individual to use, study, modify and distribute it (it should be noted that even though it is "free", there are limitations, but that is a topic for another time). However, the mere availability of the code does not automatically classify it as open source. The Open Source Initiative (OSI), a non-profit organisation established in 1998 by Eric Raymond and Bruce Perens, acts as the authority that defines what actually constitutes open source software through its "Open Source Definition" (OSD).

The OSI’s mission is to educate and promote the benefits of open source, forging links between the various communities that make it up. The OSI’s coining of the term "open source" represented a strategic decision to focus on pragmatic and business-related arguments, distinguishing it from "free software", which had a more ideological and political connotation. This pragmatic approach proved fundamental to its widespread acceptance within the organisational and governmental sectors.

The OSD sets out ten essential criteria that a software licence must meet in order to be considered open source; these criteria form the basis for the trust and sustainability of this ecosystem and distinguish it from software that is merely publicly available. Among the essential criteria for a licence to be considered open source, the following stand out: free redistribution, access to the source code, and the freedom to create derivative works, provided they are distributed under the same terms as the original licence. The licence may also require that modifications be identified or renamed, thereby protecting the integrity of the original author’s code and ensuring trust in collaboration. This safeguard prevents authors from being held liable for errors in versions modified by third parties. Furthermore, the licence must guarantee non-discrimination, both against individuals or groups and against fields of activity, allowing the software to be used in any context, including for commercial or scientific purposes.

These criteria ensure that open source offers tangible benefits that drive digital innovation:

• Accelerated innovation: The collaborative nature of open source, with contributions from a global community, enables faster and more robust development of new features and solutions.
• Greater security: The transparency of the source code allows for comprehensive scrutiny by a vast community of programmers and specialists, particularly security experts. This transparency does not intrinsically guarantee security, but rather enables auditing and the identification and correction of vulnerabilities. When a security flaw is discovered, the community mobilises quickly to develop and implement fixes.
• Flexibility and reduced "vendor lock-in": Access to the source code enables organisations and users to customise the software to their specific needs and integrate it seamlessly with existing systems, avoiding dependence on a single supplier.
• Communities and cost reduction: The absence of licensing fees and a community-driven maintenance model result in significantly lower total cost of ownership, allowing organisations to reallocate resources to other projects.

Essential criteria of the Open Source Definition (OSD)

Open source principles: a foundation for sustainable solutions

The United Nations recognises the strategic role of open source in addressing global challenges. With the aim of promoting sustainable development, transparency in governance and international cooperation, the organisation has adopted its own Open Source Principles (UN Open Source Principles – UNOSP). These principles were formally approved by the Chief Executive Board’s Digital Technology Network (DTN), providing clear guidance on the adoption and promotion of open-source software, both within the UN and amongst external partners.

In a significant milestone for its digital strategy, the Open Source Initiative (OSI) was the first organisation to formally endorse the UNOSP. This move reinforces the legitimacy and relevance of the UN’s principles, whilst offering the OSI enhanced international visibility. The collaboration between these two organisations strengthens the convergence between the technical and political dimensions of open source, promoting more aligned and accessible digital governance. The adoption of the UNOSP also contributes to a more ethical, interoperable and sustainable approach to the use of digital technologies, with a direct impact on areas such as public services, digital infrastructure and equitable access to technological solutions.

The UNOSP sets out eight guiding principles that shape the way in which software should be designed, shared and maintained:

1. Open by design
   Defines open source as the starting point for new projects, encouraging its adoption from the very beginning of the development cycle.

2. Mutual contribution
   Promotes active participation in open-source communities, encouraging the collaborative sharing of improvements and innovations.

3. Secure by design
   Introduces security as a fundamental principle in software development, incorporating data protection and privacy measures from an early stage. This approach broadens the traditional notion of digital security, prioritising code transparency and user autonomy.

4. Inclusive participation
   Fosters development environments open to diversity, ensuring representation of different cultures, geographies, identities and experiences.

5. Design for reuse
   Encourages the creation of interoperable and modular solutions that can be adapted, expanded or transformed for different uses. This feature accelerates innovation and avoids duplication of effort.

6. Comprehensive documentation
   Advocates for the provision of clear and accessible documentation, which is essential for facilitating the adoption, integration and maintenance of software.

7. Recognise, encourage, support, empower
   Reinforces the role of people and communities, recognising their contributions and ensuring resources that enable their active involvement.

8. Sustainability and scalability
   It ensures that technological solutions evolve continuously, with the capacity to grow and respond to new needs over time.

These principles are not merely a statement of intent. Their adoption has been endorsed by a number of international organisations that share the same vision. Among the organisations that have already supported the UNOSP are institutions such as the European Open Source Academy, The Linux Foundation, The Document Foundation, the Eclipse Foundation, Rocket.Chat and the Open Knowledge Foundation, amongst others.

A Open Source Initiative (OSI)

Founded in February 1998 by Eric Raymond and Bruce Perens, the Open Source Initiative (OSI) emerged at a landmark moment for the world of software: the release of the source code for the Netscape browser. This event paved the way for the promotion of a collaborative and transparent development model, based on open practices. Since then, the OSI has played a central role in promoting open source, not merely as a technical approach, but as a structured and credible alternative to the dominant proprietary model.

The OSI played a decisive role in coining the term "open source" itself, in an attempt to refocus the discourse on pragmatic, market-oriented arguments, moving away from the ideological connotations of the free software movement. This strategy opened the door to new markets, organisations, governments and institutions, which came to recognise open source as a sustainable, secure and innovative model.

Currently, the OSI is a non-profit organisation, recognised globally as the body responsible for the official definition of open source, both in the field of software and in the emerging field of artificial intelligence. One of the cornerstones of its work is the maintenance of the Open Source Definition (OSD), the framework that sets out the minimum criteria for a licence to be considered truly open source. Widely used licences, such as the MIT, Apache or GPL licences, comply with this standard and are validated by the OSI.

This role as guardian of the definition serves as an essential mechanism for ensuring the integrity of the ecosystem. In a decentralised environment, where the proliferation of projects and licences can lead to ambiguity, the OSI provides a clear and reliable benchmark. This work is particularly important for preventing instances of "openwashing" – situations where projects present themselves as open source without adhering to the fundamental principles – and for ensuring the trust of users, developers and organisations through labels such as "Certified Open Source" and "Open Source Approved Licence".

In addition to defining and certifying open source, the OSI runs a range of structured programmes that strengthen the open source ecosystem:

• Licensing programme
  This programme ensures that open source remains under community control, free from corporate takeovers. The OSI safeguards the movement’s fundamental principles by applying certification marks that guarantee freedom of use and development without the need for prior authorisation.

• Policy and standards programme
  The OSI works closely with organisations responsible for technology policies and standards, contributing technical and strategic expertise. The aim is to highlight the value of open source in innovation, promoting its adoption in institutional and governmental contexts.

• Research programme
  OSI leads international debates on the impacts of emerging technologies, such as artificial intelligence and cybersecurity. Through partnerships with organisations, companies and universities, OSI offers an informed perspective on the challenges and opportunities of open source in the context of global digital transformation.

The evolution of the OSI from a technical body to a political actor reflects the growing maturity of open source as a benchmark model in the digital age. Its involvement in key issues such as digital governance, technological ethics and digital rights positions open source as much more than a development methodology. It establishes itself as an ideological and operational foundation for transparent, inclusive and sustainable digital innovation – in line with the values of the United Nations and the sustainable development goals.

Strategic convergence: OSI and the UN join forces in support of open source

The collaboration between the Open Source Initiative (OSI) and the United Nations Open Source Principles (UNOSP) represents a strategic alignment between two organisations with complementary roles in the global digital ecosystem. Both promote values such as transparency, collaboration, inclusion and sustainability, although they apply these principles in different spheres: the OSI acts as a technical reference in the field of open source, whilst the UN integrates this approach into a framework of sustainable development and global governance.

The OSI’s formal endorsement of the UNOSP marks a significant milestone in this partnership. By becoming the first organisation to endorse these principles, OSI reinforces the legitimacy of the UN’s proposal, whilst at the same time benefiting from a political and institutional amplification of its mission. This mutual validation creates a virtuous cycle: the UN’s principles are based on a clear and robust technical definition provided by OSI, whilst the UN offers OSI an international platform and a large-scale political framework.

This convergence has a direct impact on the adoption of open source globally. Governments and large institutions, which are often cautious about adopting new technological approaches, tend to place greater trust in solutions that combine technical rigour with institutional support. The joint presence of the OSI and the UN gives open source a "seal" of trust that facilitates its implementation in critical contexts such as public services, healthcare, education and infrastructure management.

This collaboration also translates into concrete actions. The Open Source United initiative, promoted by the UN in partnership with the OSI, has been driving the adoption of open-source technologies across various United Nations agencies. This cooperation demonstrates how technical communities and institutional structures can be brought together to drive shared, secure and adaptable technological solutions.

The economic impact of open source, which is often underestimated, proves to be significant and highlights its importance in the digital transformation of society, as well as the relevance of this partnership for the future of the economy and innovation.

The collaboration between OSI and the UN thus provides a solid foundation for building a more coherent, transparent and ethical approach to digital governance. By combining technical expertise with political legitimacy, this partnership sets out a clear path for the development and implementation of digital solutions that effectively address global challenges.

Success stories and examples of innovation with open source

Open source is present in many of the systems and technologies that are fundamental to modern digital life. Projects such as Linux, which underpins millions of servers worldwide and mobile operating systems (Android), and Kubernetes or Docker, which have transformed the way digital services are managed in the cloud, are examples of its robustness.

Python is one of the most successful examples of the open-source philosophy applied to software development. Created by Guido van Rossum in the late 1980s, this project has grown thanks to the global collaboration of thousands of programmers. Its permissive licence, combined with an active and inclusive community, has enabled Python to become one of the most widely used languages in fields such as data science, artificial intelligence, web development and automation. PHP, too, created in 1994 and made open source in 1995, played a key role in building the modern web. This language was one of the first to benefit from an open and collaborative development model, enabling a global community to contribute to its growth. Over the years, it has given rise to a wide range of applications and frameworks such as Laravel, Symfony, Drupal, WordPress and ConcreteCMS. The latter, a content management platform, offers a flexible and accessible alternative for building institutional and government websites, demonstrating how open source can serve organisations with high standards of security and transparency.

In addition to major technological developments, the adoption of open-source solutions by public bodies has been gaining momentum. Several governments are using open-source software to develop more effective, secure and sustainable digital services. This strategic choice makes it possible to reduce operational costs, avoid technological dependencies and increase control over critical systems. One European example is the EU OS project, an operating system designed to be adopted by the institutions of the European Union. Based on Fedora Linux (Red Hat) and featuring the KDE Plasma graphical environment, EU OS aims to meet the needs of the European public sector in terms of technological independence, digital security and economic efficiency. This project draws inspiration from initiatives already in place, such as GendBuntu (France) and LiMux (Germany), and is aligned with strategies such as the European Strategy for Free Software and Open Standards, the National Regulation on Digital Interoperability (Portugal) and the 2020 ICT Strategy for Public Administration. The ambition of EU OS is clear: to foster a European digital infrastructure based on auditable, adaptable and sustainable technologies, accessible to all public administrations via platforms such as code.europa.eu.

The legal framework in Portugal, notably through Law No. 36/2011 and, more recently, the Interoperable Europe Act, reinforces the strategic importance of open standards. These standards ensure that information flows without restrictions imposed by suppliers, guaranteeing technological freedom and interoperability between systems. They are, therefore, fundamental pillars of a modern, resilient and inclusive public administration. This regulatory approach not only strengthens the public digital ecosystem but also creates new opportunities for the development and adoption of solutions based on free software.

For the open-source community, these policies constitute a validation of its principles and practices. The encouragement – or even the mandatory requirement – of the use of open standards in public administration drives demand for tools and skills in this field, recognising the work of thousands of developers and organisations that contribute to open and collaborative solutions. This legislative context fosters the emergence of a fairer, more transparent and more accessible digital environment.

The results of these initiatives demonstrate the tangible benefits of open source: cost savings through the elimination of commercial licences; greater transparency, with the possibility of public auditing of the code; and greater agility in the development and adaptation of solutions. Open source is thus establishing itself as a strategic pathway to digital transformation with a social impact. By promoting technological autonomy, encouraging collaborative innovation and ensuring equitable access to digital tools, open source is establishing itself as an essential ally for a more sustainable, fair and democratic future.

Challenges and best practices in the open source ecosystem

The adoption of open source software has been growing steadily, driven by its proven benefits in terms of transparency, flexibility and cost reduction. However, the full integration of these solutions into organisational structures continues to face significant obstacles, which require attention at both a technical and strategic level.

One of the main challenges relates to organisational resistance. Often, the shift from proprietary models to open source solutions is hampered by internal inertia, concerns about reliability or simply a lack of familiarity with this ecosystem. This resistance stems not only from technical issues, but also reflects a difficulty in adapting entrenched processes and mindsets to the new digital paradigm.

Concerns regarding support and security are another critical issue. There remains a perception that open source is more vulnerable or lacks adequate support. However, this idea does not always reflect reality. Projects with identified – and fixed – vulnerabilities demonstrate an active community and a process of constant auditing. The absence of vulnerability reports can sometimes indicate precisely the opposite: a lack of scrutiny.

The lack of a clear management strategy undermines the structured adoption of open source. Without well-defined policies for selection, use and contribution, it is common to see a fragmented and inefficient integration of these technologies. At the same time, the complexity of dependency management — often comprising multiple third-party libraries — requires effective control mechanisms, particularly in large-scale projects.

These challenges highlight that the barriers to open-source adoption are, to a large extent, cultural and organisational in nature, rather than merely technical. The existence of robust tools and mature technological solutions is a necessary but not sufficient condition. Effective adoption depends on an internal transformation that strengthens skills, aligns strategies and fosters a collaborative culture.

The issue of security deserves special attention. The transparency of the code allows for faster identification of flaws, but it also requires a proactive approach. Managing vulnerabilities in complex dependency chains involves a paradigm shift: moving away from acting solely in response to incidents and adopting continuous monitoring and updating practices. Security, in this context, is a shared responsibility amongst all members of the community.

To mitigate these risks and make the most of open-source solutions, a number of key best practices stand out:

• Define clear usage and licensing policies
  Establish rigorous guidelines for the selection and integration of open-source software, ensuring legal compliance and technical consistency across the organisation.

• Invest in technical skills development
  Promote continuous training for teams, ensuring that in-house expertise is available to manage, adapt and contribute to open-source projects.

• Maintain a structured update plan
  Create regular maintenance roadmaps and use automated testing to ensure that updates do not compromise functionality or security.

• Foster a collaborative culture
  Value knowledge sharing, encourage participation in open-source communities and promote active involvement in external projects.

• Monitor impact metrics
  Tracking the use of open-source solutions through clear indicators — such as the volume of reuse, the number of contributions or cost savings — enables the value created to be assessed.

• Ensure visibility across the software supply chain
  Keeping detailed records of the components used is essential for managing risks, ensuring compliance and responding quickly to new vulnerabilities.

In a constantly evolving ecosystem, these practices help to consolidate the responsible and strategic adoption of open source, making it not just a viable alternative, but a fundamental component of sustainable digital transformation.

Towards an open digital future

The collaboration between the Open Source Initiative (OSI) and the United Nations Open Source Principles (UNOSP) provides a solid and complementary foundation for guiding the adoption of open-source software in the interests of the public good and sustainable development. The OSI ensures the technical and regulatory definition of what constitutes open source through the rigorous approval of licences and compliance criteria. For its part, the UN integrates these principles into a broad vision of global governance, placing open source at the service of the common good.

This strategic synergy, reinforced by mutual support, contributes to a more cohesive model of international digital governance. By combining technical legitimacy with institutional influence, the adoption of open solutions is accelerated in critical areas such as health, energy, public administration and digital infrastructure. Open source thus ceases to be merely a technological alternative and establishes itself as an essential infrastructure for more resilient, transparent and equitable societies.

Its relevance in the face of global challenges is becoming increasingly evident. Issues such as public health, cybersecurity and digital sovereignty require flexible, auditable and adaptable solutions – characteristics that are central to open-source models. By enabling local control over technological systems, open source strengthens strategic autonomy and promotes a more inclusive digital economy, where communities and countries can build, adapt and share knowledge based on real needs.

More than just a technical choice, the adoption of open source represents a commitment to a more open, secure and participatory digital future. Building this future requires the involvement of various stakeholders — public administrations, businesses, universities, civil society organisations and technology communities — in a joint effort towards transformation. Supporting an open-source project can be as simple as helping to translate the user interface into your native language, making the software more accessible to communities that would otherwise be excluded.

Several international organisations have already recognised this commitment. Among those that have endorsed the United Nations Open Source Principles, the following stand out:

• documentfoundation.org
• eclipse.org
• europeanopensource.academy
• foundation.gnome.org
• linagora.com
• linuxfoundation.org
• matrix.org
• nextcloud.com
• opendesk.eu
• openforumeurope.org
• openinfra.org
• okfn.org
• rocket.chat
• sovereign.tech

These organisations, which vary in nature and field of activity, recognise the importance of open source for a more robust, transparent and sustainable digital ecosystem. Their membership of UNOSP demonstrates a shared vision centred on values such as collaboration, technological freedom and development guided by the public interest.

Open source, supported by initiatives such as the OSI and UNOSP, thus takes on a new status on the international stage. It is no longer merely a licensing model, but has established itself as a philosophy of responsible innovation and a foundation for building digital solutions that are more accessible, fair and enduring.

References and inspiration

• acessibilidade.gov.pt
• apache.org
• consilium.europa.eu
• eu-os.eu
• opensource.org
• php.net
• python.org
• unite.un.org
• unite.un.org
• unite.un.org