Unofficial Steam Web API reader: library, playtime, achievements, friends, profiles, workshop, trades, and official catalog. Not affiliated with Valve.

Weather + disaster hazards: NWS forecast/alerts, USGS earthquakes, NHC storms, JTWC (WP/IO/SH), NOAA SWPC, MeteoAlarm (EU), NASA FIRMS. Optional: EONET, GDACS, GVP, Open-Meteo.