The Best Linked COVID-19 Data Alternatives in 2026

The Madrigal Database manages and serves archival and real-time data from upper-atmosphere science instruments in multiple formats.

Search CHIANTI, an atomic database for spectroscopic diagnostics of astrophysical plasmas.

Data Issy gathers information about Issy-les-Moulineaux in datasets, visualizations, maps, charts, and dashboards.

"leaderboard Comparing LLM Performance at Producing Hallucinations when Summarizing Short Documents".

FAPESP COVID-19 DataSharing/BR is a research data repository created by FAPESP and the University of São Paulo to make COVID-19 data available.

The COVID-19 Data Portal promotes data sharing to support scientific research related to the pandemic.

Järfälla’s open data page describes reusable municipal information and linked indicators from Sweden’s Kolada database.

Morpheus lets users browse models of multicellular simulations, including built-in examples and models linked to publications.

Materials Cloud Archive lets visitors browse records linked to materials science applications and tools.

Amsterdam’s municipal data site provides current city information and lets visitors search streets, buildings, public spaces, map layers, and datasets.

Salamanca's open data portal provides public datasets from the provincial government and its tax collection agency.

Seoul's open data portal provides access to municipal datasets and information on searching, using, and requesting public records.

Örebro’s open data page lists reusable information including supplier invoices, air quality measurements, and other public datasets.

Panama’s open data portal explains public data reuse and provides access to datasets from government institutions.

Ostrava’s open data catalog organizes datasets across topics such as transport, culture, population, public services, and the environment.

Angers Loire Métropole provides an open-data catalog for public datasets from the French metropolitan area.

Croatia’s open data portal provides access to public-sector open datasets.

Drohobych's city community open data portal lists public datasets across topics including construction, culture, transport, education, and finance.

Ukraine's official open data portal lets visitors search datasets, browse publishers, and explore public records across topic categories.

The Township of Langley's open data portal provides a public site for accessing datasets published by the township.

Israel's government data portal brings together public datasets from government ministries and supports searching the records.

The Swedish Board of Agriculture publishes free, machine-readable datasets for public use and reuse.

Gers-OpenData brings together public datasets from the Gers department and other local authorities in its territory.

Meudon's data portal brings together information about the city in one place for public access and reuse.