Equator currently supports KML & KMZ files containing vector data (points, lines and polygons).
You can find thousands of spatial data files right in Equator – things like roads, rivers, pipes, parks, buildings. Check out this tutorial to learn how, or click “Go To Viewer” to explore on your own.
Here are a few spatial files you can download for reference:
Historic Districts in Boston, USA (source)
Bike Routes in Valais, Switzerland (source)