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open-data

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

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

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

Open CPQ metrics and KPI dictionary with CSV, JSON, schemas and implementation guidance. Official GitLab mirror.

Primary repository: https://github.com/configure-to-win/cpq-metrics-kpi-dictionary

Resource page: https://configure.win/resources/cpq-metrics

Diário da República Electrónico - Versão do Cidadão

An open-source AI platform that maps the evolution of scientific ideas, publications, and patents. Track breakthroughs, visualize research lineages, and give full attribution to every contributor—researchers, institutions, and corporations alike. Explore the global tree of knowledge, discover connections across disciplines, and see the past, present, and future of innovation in one interactive platform. https://roxanneardary.com/ideasphere/

Public CohortWatch interface for evidence-backed, cohort-relative startup momentum. Live at cohortwatch.dev.

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

EarthMesh is an open-source environmental intelligence platform that combines AI and sensor networks to monitor air quality, water quality, rainfall, flooding, soil health, noise pollution, and other critical environmental conditions in real time. Designed for cities, communities, and researchers, it provides predictive analytics, open data dashboards, and citizen participation tools to support transparency, environmental protection, and disaster preparedness. https://roxanneardary.com/earthmesh/

GentleCardia is an open-source, modular cardiac biosensing specification designed to create open infrastructure for human health. It provides a safety-first framework for ECG acquisition, signal processing, data interoperability, AI-assisted analysis, and future health technology development. Built for transparency, extensibility, and collaboration, GentleCardia enables researchers, developers, and innovators to create adaptable cardiac sensing systems without proprietary limitations. https://roxanneardary.com/gentlecardia/

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

SignalTruth is an open-source, AGPL 3.0+ commercial real estate intelligence system that transforms fragmented public records into a structured, confidence-scored property graph. It integrates ownership history, market data, legal frameworks, and data completeness analysis into a unified, event-driven intelligence layer. Built for transparency and auditability, SignalTruth provides traceable, source-backed insights into real estate assets, their ownership structures, and regulatory context. https://roxanneardary.com/signaltruth

Data from Tony Campbell's Map History (maphistory.info), preserved as versioned static JSON with a minimal Astro site for browsing.

ComparEdge open profile: verified software pricing, MCP servers, open dataset

ComparEdge open pricing dataset: hand-verified software and AI pricing as bands and tiers (CC BY 4.0)

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.

Source code of the gamified data collection web app JeuDeGrosMots : https://jeu-de-gros-mots.short.gy/

DropThe -- Data utility media network. 1.9M entities, 3.5M connections. Movies, series, people, companies, crypto, cities. https://dropthe.org