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From Catalogues to Real Adoption: Why Europe Must Back Open Source That People Can Actually Use

Europe does not suffer from a lack of open source. It suffers from a lack of large-scale adoption.

Across the European Union, the policy direction is already clear. Interoperability, reuse and cross-border public service improvement are now central to Europe’s digital agenda. Open source has also been increasingly linked to reduced dependency, stronger digital autonomy and the development of shared digital infrastructure based on digital commons and sovereign technologies. These are not marginal initiatives. They are part of a broader European effort to regain control over the digital foundations of public administration and the economy.

But Europe now needs to move from principle to execution. If the EU Open Source Software Catalogue and Digital Commons EDIC are to make a real difference, they should prioritise not only the visibility of open source solutions, but their practical usability and deployability. In concrete terms, that means giving greater weight to functionality that users actually need, high-quality UI and UX, robust documentation, migration support and responsive helpdesk capacity. Without these layers, even mature open source software remains underused.

The real problem is not code scarcity, but implementation friction

Too often, open source policy in Europe still assumes that once solutions are listed, funded or formally encouraged, adoption will follow. It does not. Public administrations, universities, hospitals and companies do not adopt software because it is ideologically attractive. They adopt it when it is reliable, understandable, easy to compare, easy to justify internally and realistic to support over time.

This is exactly where many otherwise valuable public catalogues and repositories risk underperforming. If a catalogue merely lists solutions but does not help organisations understand maturity, use cases, deployment requirements, interoperability features, support models and migration pathways, then it functions more as an archive than as an adoption engine. In that case, risk-averse institutions continue to default to dominant proprietary vendors, not necessarily because those vendors are better, but because they appear easier to defend administratively.

Europe should treat this not as a communications issue, but as a product and policy issue.

UI, UX and curation are strategic, not cosmetic

The EU OSS Catalogue should evolve into a genuine European decision-support platform for adoption.

A city government should be able to identify trusted open source tools for collaboration, records management, identity, GIS, cloud hosting or citizen services without having to navigate like a software developer. A university or hospital should be able to compare solutions through practical filters such as sector relevance, language support, accessibility status, deployment model, regulatory context, maturity, maintenance activity and availability of professional support. A business exploring open source alternatives should be able to distinguish quickly between experimental tools and mature, production-grade systems.

That is why better UI and UX matter. Search, structured categories, comparison tools, screenshots, architecture overviews, implementation examples and multilingual summaries are not embellishments. They are core conditions for adoption. If Europe wants institutions to reuse open source, the path to reuse must be simpler than the path to vendor lock-in. Today, that is often not the case.

Digital Commons EDIC should adopt the same logic. If it aims to accelerate Europe’s shift toward sovereign technologies, then it should focus on making mature open source bundles usable in real organisational settings. Its value will not be measured by declarations alone, but by the number of administrations, firms and public-interest infrastructures that successfully switch one critical dependency at a time.

Documentation and helpdesk turn software into infrastructure

Open source often loses not because the underlying software is weak, but because the surrounding support environment is weak.

For public and private sector adoption, documentation is part of the product. Organisations need far more than installation notes. They need migration guides, executive summaries for decision-makers, procurement-ready descriptions, security information, interoperability notes, administrator handbooks, training material and user-facing onboarding documentation. Where this is missing, uncertainty grows, and uncertainty always benefits incumbents.

The same is true for helpdesk and support capacity. A municipality or ministry does not simply need a downloadable solution. It needs confidence that when a migration hits a bottleneck, someone can help. When integration problems emerge, there must be a route to assistance. When staff need training, there must be accessible material and an ecosystem of service providers. The acceleration model already points in this direction, offering structured support designed to move organisations toward actual production use. That is the right instinct, because it recognises that adoption is an operational journey, not a symbolic gesture.

Europe should actively promote mature open source solutions

Technological neutrality should not mean institutional passivity.

Europe does not need to invent everything from scratch. In many areas, mature open source solutions already exist and should be far more actively promoted for use in both the public and private sectors. This applies to collaborative workspaces, cloud and infrastructure management, identity systems, content management, office productivity, data platforms, education technology, cybersecurity tooling, observability, geospatial systems and AI-enabling components.

What European institutions should do is not arbitrarily pick favourites, but identify solutions that are already mature, reusable, interoperable, standards-based and capable of supporting strategic autonomy. The EU OSS Catalogue should make these solutions more legible and easier to compare. Digital Commons EDIC should help move them from discoverability to deployment. That means supporting implementation pathways, service ecosystems, localisation, training and migration pilots around real user needs.

This also has a broader economic dimension. When Europe backs mature digital commons, it does not only reduce dependency on dominant foreign vendors. It also strengthens European companies that can integrate, customise, host, support and scale these solutions. In that sense, support for open source is not anti-market. It is a way to rebalance the market in favour of open competition, interoperability and European industrial capacity.

The next phase of open source policy must be adoption policy

The strategic question for Europe is no longer whether open source matters. That debate is over. The question is whether Europe is willing to do the practical work required to make open source the default option where it is already mature enough to serve public and private needs.

That work is concrete. Improve the catalogue. Curate by use case. Highlight maturity. Invest in UX. Translate documentation. Build migration toolkits. Connect adopters with implementers. Provide onboarding support. Create confidence for first deployments. Measure success by real users switched, not by the number of entries published.

This is where the Digital Commons EDIC acceleration programme deserves serious attention. Its model is explicitly designed to help large public or private organisations remove one dependency from their information system, help European technology companies compete in the sovereign technology market, and help widely used digital commons become integrated into stronger European products.

That is precisely the kind of instrument Europe needs more of: practical, time-bounded, adoption-oriented and focused on switching real users to sovereign alternatives.

Call to action

Public administrations, universities, hospitals, infrastructure operators, companies and European technology providers should not wait for digital sovereignty to emerge as an abstract future condition. They should help build it through concrete migration and deployment projects now.

If your organisation wants to reduce one critical dependency in cloud infrastructure, collaborative software, AI, geomatics or another core digital function, or if you are a European technology company seeking to build or deliver a sovereign alternative powered by digital commons, the Digital Commons EDIC acceleration programme is an opportunity worth pursuing. Europe needs more than advocacy. It needs practical proposals that move mature open source solutions into real production environments and into the hands of real users.

Applications to the Digital Commons EDIC acceleration programme can be submitted here: https://digital-commons-edic.eu/apply-for-our-acceleration-program

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