OSM is data, not servers, which is why a number of companies use OSM data and give you the ability to pay them to use their servers. Thunderforest, for instance

OSM is data, not servers, which is why a number of companies use OSM data and give you the ability to pay them to use their servers. Thunderforest, for instance. But the point is that you can use the same data they use to make your own tile server if you like. And if you update the OSM data we will all benefit