Public technical data explorers
Public spending, energy grids, satellite imagery, software adoption and web history. · 5 tools
Energy Grid Explorer
Generation mix, load, renewable share, cross-border flows and power prices for European grids.
Internet Archive Change Explorer
See how a web page changed in the Wayback Machine: capture timeline plus the changes that matter.
Public Spending Explorer
Search government contracts and grants: who pays whom, totals per agency and vendor.
Satellite Change Explorer
Compare NASA satellite images of any place on two dates: true colour, NDVI, night lights.
Software Adoption Explorer
Open-source usage signals: weekly downloads, growth and version adoption for npm, PyPI, crates.
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