Open Internet Stack Support for Scale (CSA)

Opened

Programme Category

EU Competitive Programmes

Programme Name

Horizon Europe (2021-2027)

Programme Description

Horizon Europe is the European Union (EU) funding programme for the period 2021 – 2027, which targets the sectors of research and innovation. The programme’s budget is around € 95.5 billion, of which € 5.4 billion is from NextGenerationEU to stimulate recovery and strengthen the EU’s resilience in the future, and € 4.5 billion is additional aid.

Programme Details

Identifier Code

HORIZON-CL4-2026-04-DATA-03

Call

Open Internet Stack Support for Scale (CSA)

Summary

Applicants should devise a plan for:

  • Cataloguing solutions in a structured and easy to discover way
  • Performing security and accessibility audits on the selected solutions under the Open Internet Stack.
  • Screening and selecting European funded Open Source projects, including by exploring the relevant Horizon Europe programmes, and devising a strategy for the Open Internet Stack to become a central hub for those solutions.
  • Establishing links and mutual support with national, multi-country and pan-European initiatives supporting Open Source sovereign solutions.
  • Advising on sustainability models (both for and non-for profit), on standardisation, licencing schemes, or localisation/internationalisation
  • Elaborating a common branding with associated marketing and communication tool
  • Developing training material on these solutions that stresses their value in terms of EU legislation compliance (GDRP, DSA/DMA, CRA…), security (e.g. reference to security audits, list of dependencies), use cases, funding/business model, deployment requirements (server side, user side), link to repository and community resource (maintainers, community manager, discussion board…). Training material will be tailored to each target audience: Operators of infrastructure, Integrators, Government & verticals IT, end users.
  • Implementing measures to identify/attract technology adopters (e.g. services providers, integrators, OSPOs in governments/verticals) to become promoters of these technologies.
  • Developing sandbox tools for ensuring smooth compliance-by-design of the Open Internet Stack with relevant existing or futures EU policies.
  • Supporting Open Source awards scheme and sustainability models after the action is finished.

Detailed Call Description

We consider that proposals with an overall duration of typically 36 months would allow these outcomes to be addressed appropriately. Nonetheless, this does not preclude submission and selection of proposals requesting other durations.

Beneficiaries that intend to transfer ownership or grant an exclusive licence must formally notify the granting authority (i.e. DG-CNECT and HaDEA) before the intended transfer or licensing takes place and the granting authority may up to four years after the end of the action object to a transfer of ownership or the exclusive licensing of results.

Call Total Budget

€4.000.000

Financing percentage by EU or other bodies / Level of Subsidy or Loan

100%

Expected contribution per project: €4.00 million.

Thematic Categories

  • Audiovisual sector and Media
  • Information and Communication Technologies
  • Information Technology
  • Public Administration
  • Research, Technological Development and Innovation
  • Small-Medium Enterprises and Competitiveness

Eligibility for Participation

  • Associations
  • Businesses
  • Central Government
  • Chambers
  • Consumer Organisations
  • Educational Institutions
  • Large Enterprises
  • Legal Entities
  • Natual person / Citizen / Individual
  • NGOs
  • Non Profit Organisations
  • Other Beneficiaries
  • Private Bodies
  • Researchers/Research Centers/Institutions
  • Small and Medium Enterprises (SMEs)
  • State-owned Enterprises

Eligibility For Participation Notes

A number of non-EU/non-Associated Countries that are not automatically eligible for funding have made specific provisions for making funding available for their participants in Horizon Europe projects.

Call Opening Date

15/01/2026

Call Closing Date

15/04/2026

National Contact Point(s)

Research and Innovation Foundation
29a Andrea Michalakopoulou, 1075 Nicosia,
P.B. 23422, 1683 Nicosia
Telephone: +357 22205000
Fax: +357 22205001
Email: support@research.org.cy
Websitehttps://www.research.org.cy/en/

Persons to Contact:

Dr Angelos Ntantos
Scientific Officer
Email: antantos@research.org.cy

Mr. George Christou
Scientific Officer
Email: gchristou@research.org.cy