DataPortals.org is the most comprehensive list of open data portals in the world. It is curated by a group of leading open data experts from around the world - including representatives from local, regional and national governments, international organisations such as the World Bank, and numerous NGOs.

Scientific Knowledge Graph. Scholarly Communication Knowledge Graph. Open scholarly communication infrastructure. European Open Science Cloud. Open Access. Open Data. Open Science

Crossref runs open infrastructure to link research objects, entities, and actions, creating a lasting and reusable scholarly record. As a not-for-profit with over 20,000 members in 160 countries, we drive metadata exchange and support nearly 2 billion monthly API queries, facilitating global research communication.

The Dataverse Project is an open source software application to share, cite and archive data. Dataverse provides a robust infrastructure for data stewards to host and archive data, while offering researchers an easy way to share and get credit for their data.