If you want to roll your own tiles, you get tons of flexibility with your own tileserver, which is great if you want to change naming rules/styles/etc.. It is a rabbit hole to go down, since mapping is inherently fun.
http://maps.stamen.com/#toner/12/37.7706/-122.3782 - they have free tile servers (obviously, donate if you use them) that are relatively styled. They don't get updated and may not be 100%, but for small scale uses, they are good enough versus risking going over the free tiers at Mapbox or getting stuck in the Google ecosystem.
http://maps.stamen.com/#toner/12/37.7706/-122.3782 - they have free tile servers (obviously, donate if you use them) that are relatively styled. They don't get updated and may not be 100%, but for small scale uses, they are good enough versus risking going over the free tiers at Mapbox or getting stuck in the Google ecosystem.