The GNU project for emacs and the gcc compiler. http://www.gnu.org
The MinGW project for Windows development environment and C runtime libraries. http://www.mingw.org
Tcl/Tk 8.6 http://www.tcl.tk
Vector shoreline data from GSHHS: Global Self-consistant Hierarchical High-resolution Geography Database. Copyright © P. Wessel and W. H. F. Smith. (email@example.com) (http://www.soest.hawaii.edu/pwessel)
The World Port Index database from the U.S. National Geospatial-Intelligence Agency. http://www.nga.mil/portal/site/maritime/
BLUEWATER icon (Globe-Sextant) © IconDrawer (Eugen Buzuk) http://www.icondrawer.com
WMO translation tables, W.Ebisuzaki et. al, National Center for Environmental Prediction, NOAA. (wgrib.c).
Waypoint+ file format, © Brent Hildebrand, http://www.tapr.org/~kh2z/Waypoint
GPSBabel for import and export of route files, and for GPS support. Copyright © 2002-2008 Robert Lipe et al. and GPSBabel.org, http://www.gpsbabel.org.
The National Geophysical Data Center, U.S NOAA, for the World Magnetic Model, WMM.COF, and associated software, http://www.ngdc.noaa.gov/geomag/WMM/soft.shtml.
INNO Setup installation software, Copyright © 1997-2008 Jordan Russell. http://www.innosetup.com.
Naval Research Laboratory Monterey Master Environmental Library for Grib decoder software. (Unavailable as of January 2010.)
Stuart Cunningham for the BSB decoder library libbsb. http://libbsb.sourceforge.net.
Expedition and Deckman for sample polar files.
Andy Hamilton, Steve Carton, Simon Garland, Chris Goggin, Bob Zhang, Yves Monbaron, Andrew Gage for helpful comments, bug reports, and debugging assistance.