FastStone Image Viewer. To print the cards I use the Canon Selphy CP760 photo printer. How this is done you can see here.
Brother P-touch QL-500.
Above is a screen shot example of the Brother printer software when editing a QSO label
23 January 2010
A major solar flare erupts on the sun. Before long, your phone chirps in your pocket to let you know! Pulling out your phone, you see a 3D view of the sun — a digital reconstruction of satellite images freshly downloaded from NASA's "STEREO" satellites, orbiting millions of miles away. Read more at App Shopper