In an earlier blog post I described GEOS, the Google Earth Overlay Server. The python-tool allows to display web maps (such as Google Maps or open streetmaps) as an overlay in Google Earth.

In the same post, I also noted, that web maps and Google Earth are nice, but for outdoor activities, paper maps are indispensable.

In the most recent version, GEOS features a web UI which allows to display all maps in a unified interface in the browser. It provides basic tools for measuring and drawing on the map and allows to generate high-quality PDFs in A3 and A4 paper formats, ready for printout.

And the best: I deployed GEOS to a free instance of heroku - you can therefore check it out online on without having to install anything.