uMap - uMap let you create maps with OpenStreetMap layers in a minute and embed them in your site.
Map Chart - Make a custom map with your own colors and descriptions.
FacilMap - Map platform for live, collaborative map creation based on OpenStreetMap.
NationalGeographic MapMaker - Empower your learners to explore Earth's interconnected systems through a collection of curated basemaps, data layers, and annotation tools.
Mapbox - An open source mapping platform for custom designed maps. Our APIs and SDKs are the building blocks to integrate location into any mobile or web app.
Atlist - Atlist makes it easy to create beautiful, custom Google Maps with multiple markers. No code required.