Hey devs! I want to share a project I built: Agricalc ( https://agricalc.online ), a free collection of science-based agriculture calculators. What it does: Covers the full farming cycle — planting, fertilization, irrigation, harvest, and marketing Every calculator is built on established agricultural formulas and reference data Includes a 53-term agricultural glossary (CEC, GDD, evapotranspiration, N-P-K…) Why a PWA: Farms often have poor connectivity — the whole thing wor...