Mapbox Studio - A design platform for radically custom maps
Printmaps.net - Make high-dpi maps for print applications within minutes, using the Printmaps editor. Put custom geo data such as routes or shapes onto your map, or geocode hundreds of addresses to populate your map with POIs.
QGIS - QGIS is a desktop geographic information system, or GIS.
Google Maps - Find local businesses, view maps and get driving directions in Google Maps.
StepMap - With StepMap you can create maps for free.
MapTiler Cloud - Online maps for web, mobile apps and desktop software.