O

open-data

Observatori independent de subvencions i contractes públics a Catalunya. 336.000 entitats, 19.5M registres, codi obert.

An open specification for recording animal communication with context — what triggered a signal, and what happened after it.

FOSS presentation of EFK campaign financing data for Swiss federal popular votes

Guide multilingue non officiel du Mondial de roundnet 2026 (Parc du Tremblay, Champigny-sur-Marne, 2–6 septembre 2026). Cartographie interactive D3.js, horaires détaillés, formats et accès.

Diário da República Electrónico - Versão do Cidadão

Traffic and usage measurement for eclipsefan.org across the total solar eclipse of 12 August 2026 — 70.4 M requests in a day, from a 15 000/day baseline — sized for the eclipse of 2 August 2027. Ships the published aggregates and the dashboard that reads them: https://stats.eclipsefan.org

Free, keyless REST API and MCP server for German public-infrastructure open data across 84+ cities. Official mirror of github.com/street1983nk/infranode.

Open, cohort-relative momentum tracking for accelerator startups using auditable public signals. Live product: cohortwatch.dev.

34 free CC-BY financial and macro time series mirrored from FRED, BLS, Freddie Mac, and Treasury. Companion to calcfi.app calculators. Permanent DOIs on Figshare, Zenodo, OSF, Kaggle, Mendeley.

Download, filter, and aggregate NHTSA FARS fatal-crash data with zero non-stdlib dependencies. Companion to the Vision Zero Report Card.

Vision Zero Report Card — 7 years of NHTSA FARS truck-involved fatalities across 19 US cities. Reproducible Python pipeline + filtered dataset under CC BY 4.0.

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