Topic: `open-data-licensing`

10 entries tagged open-data-licensing.

Rules (1)

rule R3 — Read the license before building a product on open data; CC0 ≠ CC BY-SA ≠ ODbL

Reference entries (9)

reference NWS/NOAA api.weather.gov — free public REST/JSON API, no key, no registration, no rate-limit account
reference US Census TIGER/Line — geographic data, public domain, released annually
reference OpenStreetMap founded 2004 by Steve Coast — response to UK Ordnance Survey not releasing data freely; OSMF established 2006
reference ODI / Lateral Economics — open data adds ~0.5% of GDP/yr more value than equivalent paid data (range 0.4-1.4% across studies)
reference OpenStreetMap uses the Open Database License (ODbL) — attribution + share-alike on derivative databases; "produced works" (rendered maps) can be licensed freely
reference US federal government works are generally public domain — OPEN Government Data Act (P.L. 115-435) + 17 U.S.C. §105; agencies encouraged to use CC0
reference StreetEasy switched from Google Maps to OpenStreetMap after calculating Google would cost ~$300k/year; Foursquare also switched
reference GTFS — open transit data standard created Google + TriMet 2005; 10,000+ operators, 100+ countries; MobilityData stewardship
reference Research brief: live data and data-driven tools for SMBs — when it's an edge, when it's overkill (June 2026)