What have we open-sourced?

Metric sources, each an MIT-licensed repository with a documented method. github.com/HarryBrisson →

χGRIDs

Python · 2026-06-19 · HarryBrisson/chiGRIDs

What if Chicago had a spatial unit that was exact, uniform and addressable, beneath the fuzzy neighborhoods?

parkability

Python · 2026-06-23 · HarryBrisson/parkability

How hard is it to park here, really?

rentrate

Python · 2026-06-23 · HarryBrisson/rentrate

How much of this neighborhood is owned by people who don't live in it?

sunscore

Python · 2026-06-23 · HarryBrisson/sunscore

How much daylight does this block actually get once you account for the towers next door?

chainshare

Python · 2026-06-17 · HarryBrisson/chainshare

How independent is this ward's food scene?

microhappiness

Python · 2026-07-31 · HarryBrisson/microhappiness

Can we estimate how happy a census tract is without surveying it?

reax

Python · 2020-07-19 · HarryBrisson/reax

Why should the default emoji be anyone's default?

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