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Netherlands builds sovereign Linux workspace to replace Microsoft for government

Netherlands builds sovereign Linux workspace to replace Microsoft for government

New Capabilities

DAWO project moves civil servants to NixOS, Nextcloud, and open-source tools, with eight municipalities piloting now

September 29th, 2026: France's inter-ministerial digital service also moves toward NixOS

Overview

Updated Oct 1

The Dutch government is building its own Linux-based replacement for Windows and Office. The project, called DAWO, runs on NixOS, a Dutch Linux distribution, and aims to end the state's reliance on Microsoft and other US software firms.

The push started after US sanctions on the International Criminal Court in early 2025 led Microsoft to cut off the chief prosecutor's email. In July 2026, the Interdepartmental Commission on Government Operations ordered three central IT agencies to build a sovereign workspace. Eight municipalities are now piloting it, with version 1.0 planned for 2027.

Why it matters

If DAWO succeeds, the Dutch government no longer depends on US software firms' policies for its core digital infrastructure.

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Key Indicators

8
Municipalities piloting DAWO
Eight Dutch municipalities are testing the NixOS-based workspace, up from the four named in April 2026.

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People Involved

Organizations Involved

Timeline

February 2025 September 2026

10 events Latest: September 29th, 2026 · 1 week ago
Tap a bar to jump to that date
  1. France's inter-ministerial digital service also moves toward NixOS

    Latest Development

    French government agencies are also testing NixOS to reduce dependence on US software, alongside the Dutch DAWO project.

  2. DAWO community site and Sextant device-management pilot launch

    Launch

    The project's public community site goes live and the Sextant fleet-control tool for rolling out secure laptops begins trials at municipalities.

  3. DAWO-Core 0.1.3 released

    Launch

    The first public version of the project's core code became available in early September 2026, about three weeks before the end of the month.

  4. Dutch government officially tasks the DAWO project

    Decision

    The ICBR assigns the three federal IT service providers to build a sovereign digital workspace, making DAWO an official task.

  5. New Dutch cloud rules require exit plans

    Regulatory

    New rules require binding exit plans for critical cloud services, with existing infrastructure to be adapted within four years.

  6. Four municipalities announced as DAWO pilot sites

    Launch

    The Association of Netherlands Municipalities (VNG) named 's-Hertogenbosch, Zaanstad, Ede, and Amsterdam as the first municipalities to test the Linux-based workplace with MijnBureau.

  7. Nextcloud selected as government collaboration platform

    Decision

    The interior ministry chooses Nextcloud for file storage, video calls, and communication for about 120,000 civil servants.

  8. code.overheid.nl soft-launches

    Launch

    A Forgejo-based repository gives Dutch public bodies a self-hosted alternative to GitHub for publishing open-source code.

  9. NixOS chosen as the workspace base

    Decision

    The team drops openSUSE and Fedora for NixOS, avoiding distributions tied to SUSE and IBM-owned Red Hat.

  10. US sanctions the International Criminal Court

    Trigger event

    American sanctions on the ICC lead Microsoft to cut off services for the court's chief prosecutor, exposing Dutch dependence on US firms.

Scenarios

1

DAWO ships version 1.0 and the government begins mass migration in 2027

Likely Resolves by End of 2027

Discussed by: DAWO developers and project lead Victor Gevers, who predicts 2027 will be 'the year of Linux on the desktop'

The team reaches the version 1.0 milestone next year as planned. Central government agencies then begin moving civil servants off Windows onto the NixOS workspace, with Nextcloud handling collaboration and code.overheid.nl hosting the open-source development. Success depends on NixOS's low hardware demands, since it runs on aged laptops, and on ministers maintaining political support through the election cycle.

2

Rollout slips past 2028 and Windows keeps its foothold

Possible Resolves by Q2 2028

Discussed by: Skeptics who point to the cost and compatibility problems that undid Munich's LiMux Linux migration

Application incompatibility, security certification delays, or a change of government stalls the project. Microsoft contracts renew at key ministries, and the sovereign workspace remains a small pilot running on spare hardware. The team has no formal deadline, which leaves room for the program to lose momentum.

3

Partial adoption — pilot agencies move, other ministries keep Microsoft

Possible Resolves by End of 2028

Discussed by: The structural reality that separate agencies run separate IT estates with different legacy applications

SSC-ICT and DICTU, which together run about 73,000 workspaces, migrate to the sovereign stack while other ministries keep Microsoft for line-of-business software that cannot easily move. The result is a hybrid federal IT estate in which Dutch sovereignty applies to the core workplace but not to every application.

Historical Context

3 moments from history that rhyme with this story — and how they unfolded.

2006–2017

Munich's LiMux migration (2006–2017)

Munich moved about 15,000 city desktops from Windows to a Linux distribution called LiMux to escape Microsoft licensing costs. Officials spent years adapting custom applications and training staff.

Then

In 2017 the city council voted to return to Windows, citing software incompatibilities and higher-than-expected maintenance costs.

Now

The reversal became a cautionary tale for governments attempting large Linux migrations.

Why this matters now

DAWO faces the same risks: application compatibility and long-term maintenance costs will decide whether the Dutch project avoids the Munich outcome.

2005–2015

France's Gendarmerie migration (2005–2015)

The French Gendarmerie moved roughly 70,000 desktops from Windows to Ubuntu, building its own open-source email and office tools and bargaining with vendors.

Then

The force cut IT costs and reduced per-seat licensing expenses, with tens of millions of euros saved annually.

Now

The migration held and became proof that very large government fleets can run on Linux.

Why this matters now

It is the counter-example to Munich: a government of comparable scale kept Linux working, showing DAWO's ambition is feasible if executed well.

2019–present

Denmark's Danish Road Traffic Authority on NixOS (2019)

Danish IT provider Semaphor moved the Danish Road Traffic Authority's office Linux distribution onto NixOS, using the same declarative configuration model DAWO now employs.

Then

NixOS proved itself in a working government desktop deployment long before the Dutch chose it.

Now

It gave DAWO a practical precedent for using NixOS in critical public-sector environments.

Why this matters now

The Danish deployment is the technical grounding that convinced Dutch developers that NixOS could handle government workloads.

Sources

(15)