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Nextcloud

Nextcloud Office: deciding between Euro-Office, Collabora, and Thinkfree Office - Nextcloud Nextcloud Community Awards 2026 Building a sovereign AI stack: What it actually takes - Nextcloud Nextcloud AIO introduces automatic domain and DNS setup - Nextcloud Nextcloud ISV Partner Program: connecting app developers with enterprises How to install Euro-Office in Nextcloud June maintenance updates for Nextcloud Hub 25 Autumn, 26 Winter & 26 Spring - Nextcloud Nextcloud Summit 2026: Celebrating the people and companies who made it happen - Nextcloud Nextcloud Deck: the kanban board & Gantt chart app for teams - Nextcloud Bringing digital sovereignty to university IT: Interview with Michael Redinger, University of Innsbruck - Nextcloud Your Guide to Nextcloud All-in-One on Windows 10 & 11 - Nextcloud How to install the Nextcloud All-in-One on Linux - Nextcloud Nextcloud Summit 2026: Digital sovereignty comes of age Nextcloud Awards 2026: celebrating ISKA Nürnberg and FREIRAD Nextcloud Hub 26 Spring: Built together, designed for the future Out-of-band updates for Nextcloud Hub 25 Autumn & 26 Winter The Nextcloud Summit 2026 agenda: Open source, digital sovereignty, and Europe’s technology landscape Updates for Nextcloud Hub 25 Autumn & 26 Winter, right before our spring release Big Tech regulation, the sovereignty challenge, and sustainable digital ecosystem: In conversation with Aline Blankertz - Nextcloud Euro-Office: General availability set for June 9 4 ways Nextcloud Talk beats Microsoft Teams if you want to own your data Nextcloud Community Conference 2026: Call for speakers Swiss independence on American terms? Nextcloud Enterprise Day in Bern shows how the Swiss explore sovereignty April maintenance releases: Nextcloud Hub 25 Autumn & 26 Winter Vote for Nextcloud in the CloudComputing-Insider Award 2026 AI in Nextcloud: What, why and how How working with multiple vendors is hurting your organization: The impact of vendor sprawl Nextcloud AIO usability updates: Easy management of your apps and containers Euro-Office: Building momentum Euro-Office: License compliance and what open source means Dutch education system and municipalities strive for digital sovereignty Digital sovereignty starts with procurement: Interview with Prof. Dr. Dennis-Kenji Kipker Nextcloud File Drop: convenient and secure file uploading and sharing for Enterprises New maintenance releases: Nextcloud Hub 25 Autumn & 26 Winter Digital sovereignty gains momentum in Austria Six ways to bridge Microsoft and Nextcloud: Set up your selection of on premise collaboration tools How digital sovereignty is accelerating: millions of new enterprise users and over 50% growth for Nextcloud The problems with Big Tech AI data collection: privacy concerns and how to protect your data Digital sovereignty in Munich: Join us at the Nextcloud Summit 2026 Why digital sovereignty is Europe’s defining challenge How to successfully replace Big Tech platforms with an open source collaboration platform
Nextcloud Ethical AI rating: A transparent approach to privacy-first AI
2026-04-14 · via Nextcloud

The adoption of AI is growing rapidly, but so are concerns around data privacy, bias, and control. That’s because many AI systems today are developed and operated in centralized environments, where transparency into training data, model behavior, and data usage is limited.

With new regulations, like the EU AI Act, organizations are more and more under pressure to adopt AI safely. So, how can you ensure that your organization can integrate AI into its everyday workflows while also maintaining full data control and transparency?

At Nextcloud, we have asked ourselves the same question, leading us to the development of the Ethical AI Rating: a simple way to evaluate how transparent, open, and trustworthy an AI solution really is.

Nextcloud Ethical AI

The problem with Big Tech AI platforms, as well as the challenges of open source AI technologies

The development of AI is moving fast, and many of the new capabilities face ethical and even legal challenges. As we explored in our article on Big Tech AI privacy concerns, many of these tools rely on large-scale data collection, often without clear transparency or user control.

This can lead to issues with:

  • Use of data without permission
  • Discrimination and biases
  • Data theft and leakage

What’s more, the mere use of open source code is no longer enough to be able to say you are in control over your data or that the software is safe or ethical.

This is particularly true for neural network-based AI technologies.

The set of data and the software used in the training, as well as the availability of the final model, are all factors that determine the amount of freedom and control a user has.

Your guide to privacy-first AI: Nextcloud’s Ethical AI Rating

Not all AI models are equal, because some prioritize openness and user control, while others rely on opaque models and centralized data processing.

To help users and administrators make informed decisions, we developed the Nextcloud Ethical AI Rating: a rating system designed to give a quick insight into the ethical implications of a particular integration of AI in Nextcloud.

This rating aims to provide a quick, transparent review of how much control and insight you have over these tools.

This is especially important as organizations evaluate AI tools not just for performance, but for compliance, privacy, and long-term data sovereignty.

Users can still evaluate solutions in more detail, but the Nextcloud Ethical AI rating can simplify the choice for the majority of users and customers.

The Nextcloud Ethical AI rating in practice: What you need to know

The rating is based on points from these factors:

Open source licensing

Is the software open source for both inference and training?

Self-hosting options

Is the trained model freely available for self-hosting?

Availability of training data

Is the training data available and free to use?

And has four levels:

Red 🔴

Orange 🟠

Yellow 🟡

Green 🟢

This leads us to the following ranking system:

  • If all of these conditions are met, we give the AI solution a green label 🟢
  • If one condition is met, it receives an orange label 🟠
  • If two conditions are met, the label is yellow 🟡
  • If none of the conditions are met, it gets a red label 🔴

In other words, if you have full control over the AI tool you’re using, you’ll see a green label. If you have no control and a lot of dependency, the label will be red.

These colors give an immediate overview of the AI solution for factors such as sovereignty, transparency, and data control.

Caveat: Why critical thinking is still important to ensure ethical AI

We add one additional note to the rating: bias.

Bias remains a known challenge in AI systems. While it is difficult to guarantee complete neutrality, the rating highlights known issues where they exist, helping users make informed decisions.

So when we discover major biases in the data set or in the expression of the model at the time of our last check, you will see this mentioned in the rating. This includes discrimination on the basis of race or gender for a face recognition technology, for example.

There are other ethical considerations for AI, of course.

Think of legal challenges related to the use of datasets, in particular copyright issues, as well as the significant energy consumption of deep neural networks, which is of great concern.

Unfortunately, those concerns are extremely hard to quantify in an objective manner, and while we intend to try to warn users of any open issues, we can not (yet) include them in our rating.

For that reason, we recommend users to investigate for themselves what the consequences of the use of AI are for their individual case using the Nextcloud Ethical AI Rating.

Ethical AI in Nextcloud Assistant

Of course, we try to practice what we preach: this approach is not just theoretical, but also shapes how AI is implemented in Nextcloud.

At the core of Nextcloud’s AI approach is the principle that it should never be locked into any single provider. In other words, the administrators can choose between different providers, including self-hosted options.

What’s more, organizations can decide where their models run, which models are used, and what happens to their data.

By doing so, your organization can benefit from AI-supported collaboration without giving up responsibility for its data and stay in control.

Our latest release of Nextcloud Hub 26 Winter continues to build on this foundation.

AI is still optional and configurable, instead of a mandatory layer imposed on all users or workflows. This allows organizations to adopt AI at their own pace, align it with internal policies, and decide which use cases make sense in their environment.

When AI is enabled, it becomes part of the collaboration environment instead of an external dependency. It integrates into existing workflows without breaking governance or compliance frameworks.

What can the Nextcloud Assistant do for you in practice?

  • Improve and generate texts, media, and documents
  • Answer questions based on organizational data
  • Summarize meetings and conversations in Nextcloud Talk
  • Provide live transcription and translation for multilingual collaboration
  • Integrate AI capabilities directly into email, chat, meetings, and file workflows

Nextcloud Hub 26 Winter also makes compliance easier: You can generate images and documents in various apps and automatically label content with watermarks. This ensures your organization is in line with the latest regulations, such as the EU AI Act.

In short: privacy-first AI solutions such as the Nextcloud Assistant give organizations the efficiency and convenience of AI, while keeping governance, compliance, and data ownership exactly where they belong: under their control.

Regain your digital autonomy with Nextcloud Hub 26 Winter

Our latest release of Nextcloud Hub 26 Winter is here! Discover the latest Nextcloud features.