Data Sources

Beholder aggregates 30+ open-source intelligence feeds across 8 categories. Each connector runs on its own schedule, ingesting and normalizing data into a unified event stream.

Telemetry

7 sources

Real-time position tracking for moving objects

OpenSky Network
~10s

Open ADS-B aircraft surveillance data. Global coverage via volunteer receivers.

opensky-network.org

ADS-B Exchange / ADSB.lol
~1s

Unfiltered ADS-B data including military and government aircraft.

adsbexchange.com

AIS / MarineCadastre
Batch

Automatic Identification System vessel tracking. Bulk historical and near-real-time data.

marinecadastre.gov

AIS Stream
Real-time

Live AIS vessel position streaming via WebSocket.

aisstream.io

CelesTrak
~12h

Two-Line Element sets for satellite orbital prediction. Covers 20,000+ objects.

celestrak.org

N2YO
On-demand

Satellite pass predictions and real-time positions via REST API.

n2yo.com

Flightradar24
~2s

Commercial flight tracking with aircraft type and route metadata.

flightradar24.com

Threats & Conflict

3 sources

Armed conflict, violence, and geopolitical events

ACLED
Weekly

Armed Conflict Location & Event Data. Battles, riots, protests, strategic developments.

acleddata.com

UCDP
Annual + GED

Uppsala Conflict Data Program. State-based, non-state, and one-sided violence.

ucdp.uu.se

Crime Data
Periodic

Uniform Crime Reporting statistics. Pattern analysis and geographic hotspot mapping.

FBI UCR

Natural Hazards

4 sources

Earthquakes, wildfires, disasters, and extreme weather

USGS Earthquakes
~1min

Real-time earthquake data. Magnitude, depth, location, and tsunami advisories.

earthquake.usgs.gov

NASA FIRMS
~3h

Fire Information for Resource Management. MODIS and VIIRS active fire detections.

firms.modaps.eosdis.nasa.gov

EONET
Daily

Earth Observatory Natural Event Tracker. Wildfires, storms, volcanic activity.

eonet.gsfc.nasa.gov

GDACS
~15min

Global Disaster Alerting Coordination System. Multi-hazard alerts with severity levels.

gdacs.org

Environment & Health

3 sources

Air quality, radiation, disease outbreaks

OpenAQ
Hourly

Global air quality measurements. PM2.5, PM10, O3, NO2, SO2, CO from 10,000+ stations.

openaq.org

Safecast
Continuous

Open environmental radiation monitoring network. Crowdsourced sensor data.

safecast.org

WHO DON
As-published

Disease Outbreak News. Global health emergencies, epidemics, and pandemic monitoring.

who.int

Financial Intelligence

4 sources

Markets, currencies, commodities, and economic indicators

Exchange Rates
Daily

Currency exchange rates for 160+ currencies. Track devaluations and economic instability.

exchangerate-api.com

Stock Indices
Planned Real-time

S&P 500, NASDAQ, Nikkei, FTSE, DAX, Hang Seng. Global market sentiment indicators.

Various

Commodity Prices
Planned Daily

Oil, gold, wheat, and strategic resource pricing. Supply chain disruption signals.

Various

Crypto Markets
Planned Real-time

BTC, ETH, SOL and top-50 tokens. Whale movements, exchange flows, DeFi TVL.

Various

Prediction Markets

3 sources

Crowd-sourced probability signals for geopolitical events

Polymarket
Planned Real-time

Prediction market odds for geopolitical events, elections, conflicts, policy decisions.

polymarket.com

Metaculus
Planned Daily

Crowd-sourced forecasting on science, technology, geopolitics, and global risks.

metaculus.com

PredictIt / Kalshi
Planned Real-time

Regulated event contracts for economic indicators, policy outcomes, election probabilities.

kalshi.com

OSINT & News

4 sources

Global media monitoring, social signals, and narrative tracking

GDELT Project
~15min

Monitors 250,000+ news sources in 100+ languages. Event extraction, sentiment analysis, theme classification.

gdeltproject.org

GDELT GKG
Planned ~15min

Global Knowledge Graph. Entity relationships, narrative tracking, information diffusion analysis.

gdeltproject.org

Social Media Firehose
Planned Real-time

Social media event detection. Surge analysis, geolocation extraction, early-warning signals.

Reddit / X

Telegram OSINT
Planned Real-time

Channel monitoring for conflict zones. Media geolocation, narrative analysis, source tracking.

telegram.org

Cyber & Infrastructure

5 sources

Internet health, threat intelligence, and network infrastructure

IODA
~5min

Internet Outage Detection & Analysis. BGP monitoring, active probing, darknet telescope.

ioda.inetintel.cc.gatech.edu

Tor Relays
Hourly

Tor relay and bridge geographic distribution. Anonymity network infrastructure mapping.

metrics.torproject.org

AlienVault OTX
Continuous

Open Threat Exchange pulse feed. Indicators of compromise and threat actor intelligence.

otx.alienvault.com

NOTAMs
As-published

Notices to Air Missions. Temporary flight restrictions, airspace closures, hazard areas.

faa.gov

OONI
Continuous

Open Observatory of Network Interference. Internet censorship measurement.

ooni.org