The Best BASS2000 Alternatives in 2026

SILSO preserves and distributes the international sunspot number, with current and historical solar observation data.

The Leibniz Institute for Solar Physics data centre stores and manages open solar observations and magnetohydrodynamic simulations.

GREDOS lets visitors browse collections by date, author, subject, or title and provides repository policies and deposit guidance.

DARTS is JAXA’s space science data archive, covering fields including astronomy, solar physics, lunar and planetary science, and microgravity.

NASA’s Solar Dynamics Observatory provides solar imagery and data from instruments studying the Sun’s atmosphere.

FranceSeisme lets users search seismic events by date and geographic coordinates.

TurtleSAT lets users filter and map turtle sightings, nests, and related conservation records by date and record type.

The Moscow center provides data on geomagnetic variations, ionospheric phenomena, solar activity, and cosmic rays.

IFREMER-SISMER's marine data portal features data search, recent updates, and information about ocean observation initiatives.

DARWIN publishes observation data and sample information from JAMSTEC research vessels and submersibles, with cruise and dive information.

The ReefTEMPS observation network monitors tropical island coastal waters and provides access to related data services.

The Research Vessel Observation Database provides publicly available observations collected by Japanese research vessels.

PDBj maintains the single global PDB/BMRB/EMDB archives of macromolecular structures and provides integrated tools for searching and analyzing PDB data.

DEIMS-SDR helps users discover long-term ecosystem research and observation sites worldwide, along with associated people and networks.

EMDataResource archives and retrieves three-dimensional electron microscopy structures, with data standards, validation methods, and related tools.

The LMU-ifo Economics and Business Data Center documents research datasets and supports their archiving and secondary use.

Penn State Data Commons supports data sharing, discovery, and archiving, with tools to find data and share research datasets.

The Northern California Earthquake Data Center archives and distributes digital data from seismic and other geophysical sensors.

Risklayer Explorer provides risk and resilience profiles and analytics, with tools for disaster impact data and event archives.

IEDA connects geoscience data systems for archiving, publishing, discovery, access, and visualization of research data.

The Tropical Atmosphere Ocean Project provides buoy data products, station plots, archives, and data quality resources.

The Astronomical Data Archives Center at Japan's National Astronomical Observatory provides astronomy archive services.

Denmark's National Archives lets users search digital records from public organizations and research data from universities.

CNGBdb describes a biological big data platform offering research services for data archiving, analysis, knowledge search, authorization, and visualization.