[iamphilrae]

https://maplibre.org/ is a free fork of Mapbox v1.x before they brought in their licensing model.

[ezconnect]

It seems to zoom out as flat map, I was looking for something that zoom outs to a globe.

[mandiantBob]

Check out CesiumJS, its used heavily in aerospace applications. Heres their demo page https://sandcastle.cesium.com/