Last update: 24/04/2024
EU Digital Identity Wallet
The European Digital Idenity Framework harmonizes authentication to digital services and enables sharing relevant identity data for citizens and businesses.
SemanticsOpen Source Software+2 topics
Last update: 13/02/2024
Once-Only Technical System (OOTS)
The Once-Only Technical System (OOTS) streamlines data retrieval for cross-border procedures, enhancing trust, efficiency, and data exchange among EU public administrations and citizens. It is an EC solution.
Collaboration
Last update: 13/02/2024
eID
The eID Building Block enhances cross-border digital services in the EU by enabling secure electronic identification and transactions in compliance with the eIDAS Regulation, promoting interoperability, trust, and security. It is an EC solution.
Reusable Software ComponentseIdentity and eSignature
Last update: 13/02/2024
eSignature
The DIGITAL eSignature Building Block enables electronic signatures in compliance with the eIDAS Regulation, supporting secure, cross-border digital interactions for public services, businesses, and citizens. It is an EC solution.
Reusable Software ComponentseIdentity and eSignature
Last update: 20/02/2024
eDelivery
Secure, interoperable data/document exchange across EU borders using AS4 Access Points, promoting vendor-neutral, reliable, and scalable communication for public administrations and businesses. It is an EC solution.
Reusable Software ComponentseDelivery and eInvoicing
Last update: 16/02/2024
eTranslation
eTranslation is a machine translation tool that helps public administrations and businesses exchange information and documents across all official EU languages, Icelandic and Norwegian.
Languages and translation
Last update: 13/02/2024
eInvoicing
The eInvoicing Building Block boosts EU eInvoicing, adhering to EU standards for economic benefits. It aids public/private sectors in digital transition, offering support services for smooth adoption of eInvoicing. It is an EC solution.
Reusable Software ComponentseDelivery and eInvoicing
IN THE SPOTLIGHT
Last update: 25/06/2025
EU OS - Nearly an EU project ?
With the aim of moving towards digital sovereignty of administrations in Europe, the objective of the EU OS operating system is that organisations can mutualise the efforts of a migration from MS/Windows
LicensingOpen Source SoftwareStandardisation
Last update: 16/05/2025
Lithuania focuses OOTS implementation in education and residence
Lithuania has taken decisive steps to reduce bureaucratic burdens and automate official document exchange between public administrations through the implementation of the Once-Only Technical System (OOTS).
eGovernmentEuropean Policies+3 topics
Latest News
Last update: 30/06/2025
ITB in support of education in Germany
The Interoperability Test Bed will be used to support semantic interoperability as part of Germany’s XBildung initiative, aiming to standardise electronic data exchange in education, schools, higher education and vocational training.
Culture and educationICT+3 topics
Last update: 30/06/2025
ITB v1.27.1 released
Release 1.27.1 of the Interoperability Test Bed software is now available
ICTOpen Source Software+2 topics
Last update: 26/06/2025
Get your solution recognised as an Interoperable Europe Solution
Solutions published on the Portal can potentially become Interoperable Europe Solutions, officially endorsed by the Interoperable Europe Board. Learn more about the criteria and on how to apply.
CollaborationDigital-ready policymaking+3 topics