Here you can upload data from MapTiler Desktop. Upgrade your account to test it.
contours
vector tileset
hillshades
raster tileset
landcover
vector tileset
satellite
raster tileset
satellite-mediumres
raster tileset
satellite-mediumres-2018
raster tileset
terrain-quantized-mesh
terrain tileset
terrain-rgb
raster-dem tileset
v3
vector tileset