Open Access

This paper examines the conceptual foundations, historical development, and practical implementation of the Open Access (OA) movement, with particular attention to its evolution and impact in Latin America. Emerging alongside the expansion of digital communication infrastructures, OA is framed as both a technological and ideological response to structural barriers in access to scientific and academic knowledge, including economic restrictions, copyright limitations, and global inequalities in information distribution. The text traces key milestones in the consolidation of OA, from early initiatives such as arXiv and self-archiving practices to institutional frameworks promoted by organizations including the Association of Research Libraries (ARL), SPARC, UNESCO, and the Open Archives Initiative (OAI), as well as landmark declarations such as the Budapest Open Access Initiative, the Bethesda Statement, and the Berlin Declaration. Within this context, OA is defined as a system that enables unrestricted access, use, and dissemination of scholarly literature while maintaining academic quality through peer-review processes and standardized metadata structures.

The study further analyzes the two principal strategies underpinning OA — self-archiving in interoperable repositories and the development of open access journals — highlighting their role in reducing dissemination costs, increasing research visibility, and redefining the function of copyright as a mechanism for attribution rather than restriction. In the Latin American context, OA is presented as a critical tool for addressing regional asymmetries in access to knowledge and for enhancing the circulation of locally produced research. Initiatives such as SciELO, RedALyC, Biblioteca Virtual de Salud (BVS), E-LIS, and regional repositories like LAOAP are examined as key infrastructures that support multilingual dissemination, integrate regional scientific production into global circuits, and respond to the limitations imposed by the dominance of English-language publishing. At the same time, the text underscores the importance of sector-specific developments, particularly in health sciences, where platforms such as PubMed, HINARI, and the Cochrane Library have demonstrated the practical value of open access in contexts of urgent informational demand.

Despite its demonstrated potential to democratize knowledge and foster academic exchange, OA in Latin America remains constrained by persistent technological and social inequalities, including limited access to digital infrastructure and the emergence of new forms of informational illiteracy. The paper concludes by framing Open Access not merely as a publishing model but as a broader ethical and political commitment to knowledge as a public good, emphasizing the need to align technological openness with equitable access conditions. In doing so, it highlights a central tension within the movement: the gap between the formal availability of information and the material capacity of individuals and communities to access and use it effectively.

The Open Access (OA) movement has emerged as a central paradigm in the transformation of scholarly communication, seeking to ensure free and unrestricted access to scientific and academic knowledge within a global context marked by digital divides and persistent informational inequalities. Rooted in early initiatives such as arXiv (1991) developed by Paul Ginsparg, and later consolidated through institutional frameworks promoted by organizations like Association of Research Libraries and SPARC, OA combines technological infrastructures — such as the World Wide Web released by CERN — with long-standing academic practices of non-commercial knowledge dissemination. Key milestones, including PubMed, Public Library of Science, the Budapest Open Access Initiative, and the Berlin Declaration on Open Access to Knowledge in the Sciences and Humanities, contributed to defining OA as a system that enables the reading, downloading, distribution, and reuse of scholarly works without financial, legal, or technical barriers, while preserving authorship attribution and academic integrity through peer-review mechanisms and standardized metadata protocols such as those developed by the Open Archives Initiative.

Within this framework, OA operates through two complementary strategies: self-archiving in interoperable repositories and the development of open access journals, both supported by alternative funding models involving universities, research institutions, governments, and foundations. The model redefines the role of copyright, restricting it to the protection of authorship while enabling broad dissemination and reuse of knowledge. In Latin America, OA has acquired particular relevance due to structural inequalities in access to scientific information and the need for locally produced knowledge to circulate beyond linguistic and economic barriers. Regional initiatives such as SciELO, RedALyC, Biblioteca Virtual de Salud, and E-LIS have played a crucial role in consolidating open infrastructures for the dissemination of scientific production in Spanish and Portuguese, addressing both the underrepresentation of regional research and the limitations imposed by the dominance of English-language publishing systems.

Despite its potential to democratize access to knowledge and enhance the visibility and impact of research, OA in Latin America remains conditioned by infrastructural and social constraints, particularly the persistence of the digital divide and the emergence of new forms of informational illiteracy. The movement thus reveals a fundamental tension between the theoretical openness of digital knowledge systems and the uneven material conditions required to access them. In this sense, Open Access is not only a technological or editorial model but a broader ethical and political framework that challenges the commodification of knowledge, reaffirms information as a public good, and positions access to scientific and cultural production as a fundamental condition for social development, education, and democratic participation.

This paper introduces the foundational concepts, historical trajectory, and operational principles of the Open Access (OA) movement, situating it within the broader context of the Knowledge Society and its structural inequalities, including digital divides, copyright restrictions, and emerging forms of information illiteracy. OA is framed as both a technological framework and a humanistic philosophy aimed at guaranteeing free and equitable access to scientific and cultural knowledge, understood as a strategic resource for social development, education, and democratic participation. The text traces key milestones in the consolidation of OA, from early initiatives such as arXiv (1991) and the self-archiving proposal advanced by Stevan Harnad, to institutional developments led by the Association of Research Libraries (ARL), SPARC, CERN’s release of World Wide Web technologies, and the establishment of interoperable standards through the Open Archives Initiative (OAI). Landmark declarations, including the Budapest Open Access Initiative (2002), the Bethesda Statement (2003), and the Berlin Declaration (2003), are presented as defining moments in the articulation of OA as a system enabling unrestricted access, use, and dissemination of scholarly literature while preserving authorship and academic quality through peer-review and metadata standardization.

The study further examines the two principal strategies underpinning OA — self-archiving in electronic repositories and the development of open access journals — highlighting their role in reducing publication costs, increasing the visibility and impact of research, and redefining copyright as a mechanism for attribution rather than restriction. Within the Latin American context, OA is analyzed as a critical response to asymmetries in access to information and to the marginalization of locally produced knowledge within global scientific communication systems. The paper documents a wide range of regional and international initiatives, including SciELO, RedALyC, Biblioteca Virtual de Salud (BVS), Cybertesis, the Latin American Open Archives Portal (LAOAP), and numerous digital libraries and repositories across disciplines such as health, education, and social sciences. Particular attention is given to linguistic barriers, especially the predominance of English in global OA platforms, and to the need for regionally grounded infrastructures capable of supporting multilingual dissemination and reflecting local research priorities.

The paper concludes by addressing the tensions inherent in the OA model, emphasizing that formal openness does not necessarily translate into effective accessibility. Persistent technological inequalities and the expansion of information illiteracy limit the reach of OA initiatives, raising critical questions about who can truly benefit from open knowledge systems. In this sense, Open Access is conceptualized not only as a set of tools or publishing practices but as an ethical and political commitment to knowledge as a common good, requiring sustained efforts to align technological innovation with social inclusion and to ensure that the removal of access barriers is accompanied by the conditions necessary for meaningful use.