I have used http://maps.stamen.com to good effect. Source: about 1 year ago

Thanks!! It was actually pretty easy. I got the map background from Stamen Maps (free), and for the vellum overlay I just traced all the points by hand and wrote the title on with a metallic gold marker. Source: over 1 year ago

The barriers to adopting vector-everywhere are social and commercial, not technical. There are a couple great public raster services like osm.org's default style and http://maps.stamen.com. These are 100% free to use, so they get used everywhere, but incur significant expense to the organizations running (paying) for them. There aren't equivalent solutions in vector-land yet... I wrote a bit about this previously:... - Source: Hacker News / over 1 year ago

Thanks for the feedback. The map is from maps.stamen.com . When I re-watch the clip I also notice that the text is way to fast. Source: almost 2 years ago

The Stamen toner map may work well for you: http://maps.stamen.com/#toner/14/37.8024/-122.2645 Also checkout their watercolor rendering... Probably my favorite basemap that I never get to use. If you do use QGIS, you can get the Quick Map Services plugin that will connect you with these Stamen basemaps as well (and tons of other basemaps, a must-have plugin). - Source: Hacker News / about 2 years ago

You could try something like Google My Maps or a FacilMap (a similar tool that's based on OpenStreetMap). Both should be easy enough to set up on tablets, and can be collaboratively edited. Source: over 2 years ago

FacilMap - planning tours collaborative with multiple map sources and elevation profiles. Source: about 3 years ago