geo-* is a set of tools for geocaching, including tools for accessing the www.geocaching.com, opencaching.com, opencaching.us, and navicache.com websites, tools for geocoding addresses and creating maps, and tools for manipulating Mapopolis place guide data. The focus of these tools is to provide a command line driven environment.
np is a compact NMEA parser. It provides quick and flexible access to GPS data from various sources. Data can be read from devices, text files, STDIN, or GPSD (raw mode). The list of supported NMEA sentences includes $GPRMC, $GPGGA, $GPGSA, $GPGSV, as well as Garmin's proprietary $PGRME and $PGRMM. By employing user-definable stylesheets, the parser output can be adapted to numerous application scenarios. The parser can be queried directly from the console or through the included Web front end.
ImageJ is an image processing program inspired by NIH Image for the Macintosh. It can display, edit, analyze, process, save, and print 8-bit, 16-bit, and 32-bit images. There are modules for biology, astronomy, nuclear medicine, physics, and more. If you can take a picture of something, whether with a microscope, a telescope, an oscilloscope, an xray machine, or a scanner, then this program will let you enhance, manipulate, and measure the results.