XSEDE was a National Science Foundation (NSF) funded project that concluded formal operations on August 31, 2022. Its follow-on services are now operated through NSF’s Advanced Cyberinfrastructure Coordination Ecosystem: Services & Support (ACCESS) program. Historical information for the XSEDE Website and XSEDE Portal is available for viewing only via the Internet Archive.
data.THM is the institutional research data repository of the Technische Hochschule Mittelhessen. It provides structured storage of research data and their metadata, long-term archiving, and optional publication with a DOI. The repository is maintained by the Referat Forschung und Wissenschaftlicher Nachwuchs and hosted by the Hochschulrechenzentrum of the Philipps-Universität Marburg.
ERDDAP is a data server that provides a consistent way to download subsets of scientific datasets in common file formats and to make graphs and maps. This installation holds oceanographic data collected by the W1M3A research facility and is provided by CNR-IAS. Users can search 11 datasets by category, advanced search or protocol.
The NASA/IPAC Extragalactic Database is a database of extragalactic sources drawn from the astronomical literature. Its September 2026 release highlights note ingestion of 221K sources, including 157K cross-matches with NED objects and 63K new objects, and describe suggested data publication practices for journal articles.
The World Data Center for Geophysics, Beijing collects, handles, and stores scientific data and provides access to it for research and study. Its data catalog includes magnetometer data from Chinese stations, scaled ionosonde data, radar wind velocities and echo intensity, and GNSS data.
NSF Unidata's Internet Data Distribution (IDD) is a system for disseminating near real-time Earth observations and prediction model output over the Internet. It delivers datasets to computers at a site as soon as they are available from the observing system. The IDD is a peer-to-peer network of cooperating Local Data Manager (LDM) installations. It is not considered operational data, since 24 hour support is not possible.
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data.THM is the institutional research data repository of the Technische Hochschule Mittelhessen. It provides structured storage of research data and their metadata, long-term archiving, and optional publication with a DOI. The repository is maintained by the Referat Forschung und Wissenschaftlicher Nachwuchs and hosted by the Hochschulrechenzentrum of the Philipps-Universität Marburg.
ERDDAP is a data server that provides a consistent way to download subsets of scientific datasets in common file formats and to make graphs and maps. This installation holds oceanographic data collected by the W1M3A research facility and is provided by CNR-IAS. Users can search 11 datasets by category, advanced search or protocol.
The NASA/IPAC Extragalactic Database is a database of extragalactic sources drawn from the astronomical literature. Its September 2026 release highlights note ingestion of 221K sources, including 157K cross-matches with NED objects and 63K new objects, and describe suggested data publication practices for journal articles.
The World Data Center for Geophysics, Beijing collects, handles, and stores scientific data and provides access to it for research and study. Its data catalog includes magnetometer data from Chinese stations, scaled ionosonde data, radar wind velocities and echo intensity, and GNSS data.
NSF Unidata's Internet Data Distribution (IDD) is a system for disseminating near real-time Earth observations and prediction model output over the Internet. It delivers datasets to computers at a site as soon as they are available from the observing system. The IDD is a peer-to-peer network of cooperating Local Data Manager (LDM) installations. It is not considered operational data, since 24 hour support is not possible.
Search a government or civic data catalog for reusable public information.
