Open-source maps software

2 open-source libraries, tools and applications tagged maps, ranked by how closely maps is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.

2 products, primary matches first, then adoption-weighted; health v2 shown.

Product	Health v2	Stars	Maturity
Overpass Turbo A web-based IDE for writing, testing, and running Overpass API queries against OpenStreetMap data, with an interactive map for visualizing …	70	1253	active
intuit/LocationManager INTULocationManager is an Objective-C library (Swift-compatible) that simplifies getting the device's current location and heading on iOS. …	23	2544	maintenance