Trilemma Data

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IntermediateLarge

Annual U.S. demographic, housing, social, and economic estimates for building local market-sizing, site-selection, and community comparison tools.

First Project: Screen States for a Service-Market Hypothesis

DemographicsJSON +1Key

IntermediateSmall

Open preprint descriptive metadata for building topic alerts and research discovery tools that link back to arXiv.

First Project: Watch Recent Machine-Learning Preprints

ResearchAtom XMLNo Key

IntermediateSmall

Official state and local GDP, income, and employment statistics for building regional growth, market-sizing, and economic comparison tools.

First Project: Compare Recent State Personal-Income Estimates

MarketsJSON +1Key

IntermediateSmall

Official U.S. labor-market and price time series for building inflation, employment, wage, and economic-release monitoring tools.

First Project: Calculate a 12-Month CPI Change

MarketsJSON +1No Key

IntermediateSmall

Reporting-carrier flight on-time, delay, cancellation, and diversion records for building airport and airline reliability monitors.

First Project: Compare Arrival Delays for a Handful of Origin Airports

GeospatialCSV +1No Key

IntermediateSmall

Census-tract and county social-vulnerability rankings for building emergency planning, outreach, and hazard-equity tools.

First Project: Rank Counties by 2022 Overall SVI

HealthCSV +1No Key

BeginnerGood First Build

Weekly U.S. outpatient influenza-like illness activity for building seasonal respiratory-illness monitoring tools.

First Project: Compare Recent State ILI Activity Levels

HealthJSON +1No Key

BeginnerGood First Build

Weekly U.S. wastewater viral detections for influenza A and other pathogens for building community-level respiratory-illness monitoring tools.

First Project: Flag Recent Influenza A Wastewater Detections

HealthJSON +1No Key

Compare Available Datasets
			Formats
American Community Survey 5-Year Estimates	Demographics	API+DLKey	JSON +1	Intermediate	Annual
arXiv Preprint Metadata	Research	APINo Key	Atom XML	Intermediate	Daily
BEA Regional GDP and Personal Income	Markets	APIKey	JSON +1	Intermediate	Quarterly
BLS Public Data API	Markets	APINo Key	JSON +1	Intermediate	Monthly
BTS Airline On-Time Performance	Geospatial	DownloadNo Key	CSV +1	Intermediate	Monthly
CDC ATSDR Social Vulnerability Index	Health	API+DLNo Key	CSV +1	Intermediate	Occasional
CDC FluView ILINetGood First Build	Health	API+DLNo Key	JSON +1	Beginner	Weekly
CDC NWSS Wastewater DataGood First Build	Health	API+DLNo Key	JSON +1	Beginner	Weekly

Build an Alerting Tool

Official feeds that can power a focused monitor for hazards, health, or security without scraping or paid data.

9 Datasets

Open Path

Compare Places

Authoritative local and national statistics for sizing a market, choosing a site, or comparing communities.

10 Datasets

Open Path

Discover Research and Citations

Scholarly and trial metadata for topic alerts, literature monitors, and research discovery tools that link back to the source.

8 Datasets

Open Path

Plan for a Local Area

Weather, flood, housing, and infrastructure sources for a neighborhood-scale planning prototype.

10 Datasets

Open Path

Start with a First Microproduct

Beginner, no-key sources with a small first project you can finish in an afternoon without paid infrastructure.

11 Datasets

Open Path

Track Regulatory Change

Primary legal and screening sources for watching rules, filings, and sanctions lists as they change.

9 Datasets

Open Path

Choose a Dataset. Build a Microproduct.

159 Datasets

Browse the Full Catalog

Start from a Build Path

Build an Alerting Tool

Compare Places

Discover Research and Citations

Plan for a Local Area

Start with a First Microproduct

Track Regulatory Change

Filter Datasets