FacilMap is a privacy-friendly, open-source versatile online map that combines different services based on OpenStreetMap and makes it easy to find places, plan trips and add markers, lines and routes to custom maps with live collaboration.
Currently, thanks to @cdauth in facilmap.org there is the possibility of importing kmz-files (#47). However, if you use a file generated in the Google My Maps for imports, groups and icons (icons) are lost during imports. Because of this, large sets of labels previously structured using three independent parameters (group, icon and color) after import are turned into a uniform set of labels that are difficult to use:
Currently, thanks to @cdauth in facilmap.org there is the possibility of importing kmz-files (#47). However, if you use a file generated in the Google My Maps for imports, groups and icons (icons) are lost during imports. Because of this, large sets of labels previously structured using three independent parameters (group, icon and color) after import are turned into a uniform set of labels that are difficult to use: