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.

An open research search portal providing access to millions of interlinked scholarly works (publications, data, software), their citations and contextual information such as organisations, grants. Search and view all types of research outcomes, find repositories to deposit your research, and safely claim/link your research.

OpenAIRE PROVIDE is the scholarly gateway that receives content registration requests and provides guidance for content providers by viewing a personalised, user-friendly dashboard that shows the necessary steps and status of the services to complete the process.

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.

OpenCitations is an independent not-for-profit infrastructure organization for open scholarship that provides open bibliographic and citation data for the scholarly community by using Semantic Web technologies.

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.

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