Eckbox is van Eck Phreaking tool that interprets a radio signal emanating from a computer's monitor to recreate the image (in black and white) that is displayed on it. It could be used as a valuable security tool for testing otherwise secure computers or for developing hardware and software to counter this type of remote shoulder-surfing. It is not intended to be used for illegal purposes, and includes information on the hardware required.
Engauge Digitizer is digitizing software that converts an image showing a graph or map into numbers. The image file can come from a scanner, digital camera, or screenshot. The numbers can be read on the screen, and written or copied to a spreadsheet. Highlights for beginners include an intuitive interface and extensive context-sensitive documentation. Highlights for experts include compensation for image distortion, cartesian and polar coordinates, linear and logarithmic coordinates, automatic scanning, graphical previews, and browser help.