Second Round of Open Calls
The Local Digital Twins for Smart and Sustainable Communities (LDT4SSC) project, funded by the Digital Europe Programme (DEP), invited applications for its second Open Call (Work Strand 1, 2 and 3). This call is now closed.
What was Open Call 2?
Open Call 2 invited applications across all three work strands — interconnecting, creating and enhancing Local Digital Twins across Europe. This call is now closed.
Work Strand 1
Inter-connection of existing Local Digital Twins to form a European-scale network.
Work Strand 2
Creation of new Local Digital Twins based on shared challenges across cities and communities.
Work Strand 3
Adding advanced AI-based capabilities and innovative open-source components to the EU LDT Toolbox.
Why apply?
01. Interconnect & Federate
Link your Local Digital Twins with other European cities and communities to form a federated, interoperable network.
02. Secure Financial Support
With a €17 million funding pot, de-risk innovation.
03. Access the EU LDT Toolbox
Use open-source specifications and tools.
04. Deploy Advanced AI Services
Simulate future scenarios before investments.
What could you get?
Who could apply?
Timeline
Application Documents
This call is now closed. The documents below are available for reference only.
Interconnecting Existing Local Digital Twins
Ensure all documents are completed, signed, eligibility criteria met and alignment with Work Strand 1 objectives.
Creating New Local Digital Twins Based on Common Needs
Ensure all documents are completed, signed, eligibility criteria met and alignment with Work Strand 2 objectives.
Adding New Advanced AI-Based Capabilities to the LDT Toolbox
Ensure all documents are completed, signed, eligibility criteria met and alignment with Work Strand 3 objectives.
Open Call 2 – Info Session Materials
Below you can find all materials from the Open Call 2 Info Session, including the slides and the full recording.
Interested in Open Call 3?
Open Call 3 launches on 13 May 2026. Subscribe for updates, find partners or join the stakeholder forum to stay informed.
Interested to apply as an evaluator?
Are you an expert in digital twins, smart cities, AI or urban planning? LDT4SSC is looking for qualified evaluators to assess Open Call 2 applications. Contribute your expertise to shape Europe's digital twin ecosystem.
Learn More →
