gps-latlon is a small npm module that calculates the distance between two latitude and longitude coordinates in kilometers, meters, miles, yards, feet and nautical miles, from decimal degrees (GPS coordinates) using the Harvesine formula.

WorkerApp is a Django-based application designed to manage and track worker information and activities. It includes features for user authentication, data import/export, and administrative management. Additionally, it determines the proximity of workers to locations and provides detailed reports.