The open-source packages, references, and documentation sites that power the Empire Hub calculators.
Every link on this page is a reviewed, dofollow link to a resource we own and maintain.
Pure, dependency-free Go math that computes precious-metal melt value from karat, weight, and a live spot price. The engine behind GoldGramPrice.
Debt service coverage ratio (DSCR) for rental-property loans: NOI ÷ annual debt service. The engine behind DSCRRadar.
MkDocs Material documentation for the gold-melt-value package: melt value by karat, weight, and live spot price.
MkDocs Material documentation for the dscr-ratio package: DSCR for rental-property and investment real-estate loans.
Open repositories of the reference data behind these calculators (tax brackets, lake-level feeds, spot-price series, HS tariff tables). Zenodo DOI deposits for the long-running series are published from these repos as they stabilize.