The OpenAIRE Metadata Validator is a service that checks a repository's compliance with OpenAIRE, for repository managers, by validating it against the OpenAIRE guidelines.

Episciences is a web platform that allows researchers to easily publish and promote their early work (preprints), to Open Access overlay journals. Authors get early feedback, while earning credibility and attribution with no costs.

OpenAPC is an infrastructure that collects cost information on Open Access publishing for research academic institutions by providing in-depth analysis on cost trends across publishers, e-journals and books or monographs.

OpenAIRE Login is an authentication and authorisation platform that enables researchers to securely access and share common resources and services using their existing academic or social identities.

ScholeXplorer is a service that accepts publications-data or data-data links from validated sources, for science and research actors, by building a de-duplicated graph and providing access to it.

UsageCounts is an OpenAIRE service for content providers, research funders and policy makers, that collects and visualises usage activity of Open Access Repositories by using automated and standardised scientific methods.

OpenAIRE Broker is a service that allows content providers to complete and enrich metadata of their registered scholarly works with information from the OpenAIRE Graph. It is a notification service which effectively fills your content with up-to-date information that you or your researchers may be missing, and which enables you to showcase the openness, FAIRness, usage, and links to other records.

The Open Science Observatory is a portal that facilitates access to the Open Science indicators for policy makers, funders, organisations, by combining and visualising information from all over Europe.

OpenOrgs is a novel tool created to address a longstanding challenge in the research community: the disambiguation of organizations involved in the research process. It achieves this by integrating sophisticated automated algorithms with meticulous human curation, ensuring precise and reliable organization identification for the broader research community.

Zenodo is a catch-all repository that allows all researchers to archive and share their research objects with the world-wide research community.