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Restack · European Union

Restack Open Call (2027-01R)

Open

Applications close on 3 Jan 2027 (EU calls usually close at 17:00 Brussels time). Organisations in EU member states and Horizon Europe associated countries such as Türkiye can usually take part; the topic conditions control.

Deadline
3 Jan 2027 (in 49 days)
Grant amount
Up to €50,000 per applicant
Total budget
€7 million
Funding rate
Set by the call (financial support to third parties, often lump sums)
Likely applicant types
SMEs / start-ups, Companies, Non-profits, Universities & research From source categories or programme rules; the call decides.
Funder
Restack (EU-funded project)
Reference
HORIZON-CL4-2025-03-DATA-11
Last checked
15 Nov 2026

Open the official call ↗ Add deadline to calendar

Who can apply

Projects can be submitted through https://NLnet.nl/propose , please check the guide for applicants and our Generative AI policy before you start writing a proposal - this might save you a lot of work. Anyone can apply, including private individuals and organisations of any type, provided that your proposal has a clear European dimension . All outcomes should become available under a free and open license.

There is a two stage evaluation process followed by an external review .

Applicant categories are a starting point. The official call decides eligibility.

Timing

Next deadline 2027-01-03. Check the call page for the exact time.

How to apply

  1. This is an open call run by an EU-funded project, not an EU Funding & Tenders Portal topic: you apply to the project, usually on its own platform. A PIC or Part A/Part B forms are not needed unless the call says so.
  2. Application route stated in the call: “Projects can be submitted through https://NLnet.nl/propose , please check the guide for applicants and our Generative AI policy before you start writing a proposal - this might save you a lot of work.”
  3. Read the call guidelines for who can apply, eligible countries and the support per applicant (financial support to third parties is often a lump sum or capped amount).
  4. Submit before the deadline shown above; check the call page for the exact time zone.

Guide: how open calls by EU-funded projects work, and all calls open now

From the call text

Who can apply
Not stated in the call text we hold — check the official page
Company stage
Not stated in the call text we hold — check the official page
Single applicant or consortium
Not stated in the call text we hold — check the official page
Where applicants must be based
Not stated in the call text we hold — check the official page
Where to apply
Projects can be submitted through https://NLnet.nl/propose , please check the guide for applicants and our Generative AI policy before you start writing a proposal - this might save you a lot of work.

Read the EU application guide

Where these facts come from

FactValueHow we knowTaken from the source
Deadline3 January 2027
“Next deadline 2027-01-03. Check the call page for the exact time.”
official data field15 Nov 2026
Amount per applicantUp to €50,000 per applicant
“We are seeking project proposals between 5.000 and 50.000 euro's that help strengthen the open internet stack through such building blocks.”
read from the official text15 Nov 2026
Total budget€7 million
“Total call budget €7,000,000”
read from the official text15 Nov 2026
Funding rateUnknown — not stated in the source we holdunknown—
Who can applyProjects can be submitted through https://NLnet.nl/propose , please check the guide for applicants and our Generative AI policy before you start writing a proposal - this might save you a lot of work. Anyone can apply,…read from the official text15 Nov 2026
Where to applyProjects can be submitted through https://NLnet.nl/propose , please check the guide for applicants and our Generative AI policy before you start writing a proposal - this might save you a lot of work.read from the official text15 Nov 2026

Official sources

Official call page

Facts on this page come from the official source and were last checked 15 Nov 2026. The funder's own documents, including later amendments, always take precedence.

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