Start with a first microproduct

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

Curated by Trilemma Data · Reviewed 2026-08-19

beginnerSmall

Current U.S. forecasts, observations, and official weather alerts for building local planning tools and operational warning products.

First project: Flag risky hours for an outdoor plan

EnvironmentGeoJSON +2No key

beginnerMedium

Continuously updated earthquake locations, magnitudes, depths, timestamps, and review status for monitoring seismic activity and spatial patterns.

First project: Profile the past week's earthquakes

EnvironmentGeoJSON +3No key

beginnerTiny

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

beginnerTiny

Treasury blocked-party names for building bounded sanctions-screening alerts that stay inside OFAC matching limits.

First project: Build an exact-name SDN lookup

GovernmentCSV +1No key

beginnerTiny

Confirmed in-the-wild software vulnerabilities for building patch-priority alerts, exposure monitors, and remediation queues.

First project: Monitor newly exploited vulnerabilities

TechnologyJSON +1No key

beginnerSmall

Federal disaster declarations, designated areas, incident periods, and authorized programs for building local emergency and recovery trackers.

First project: Track recent declarations for one state

EnvironmentJSON +3No key

beginnerTiny

Repeat-sales indexes of U.S. single-family house prices for building local housing-market monitors and regional comparison tools.

First project: Compare recent state house-price indexes

MarketsCSV +2No key

beginnerSmall

Consumer financial product complaints sent to companies for response, for building company, product, and state complaint-monitoring tools.

First project: Monitor mortgage complaints in one state

MarketsJSON +2No key