Explorer Chartbooks - Bahamas boating and sailing navigational charts and guides. Nautical Technologies - Electronic charting system navigation software: The Capn plots a position on electronic charts interfaced with GPS/DGPS or LORAN. Download demo available. Lake Champlain Publishing - Cruising guide, charts, chart books and marine information for inland waterways from New York City to Montreal. Gpsy - Macintosh GPS communications and GIS mapping software compatible with any NMEA-0183 compatible GPS/Loran-C/DECCA or other navigational system. Demo download available. Tides and Tide Tables - "Tides" is an ocean tidal prediction program that produces tables and graphical data for more than 800 ports worldwide. Can be downloaded for evaluation. Bluewater Books and Charts - Worldwide coverage of nautical charts, electronic charts, cruising guides, nautical books and marine software. Seafaring - Offers on-line ordering of marine charts, cruising guides and nautical nooks. Evergreen Pacific Publishing - Sells marine atlases, cruising guides and nautical charts for the Pacific northwest. Marine Chart Services - Buy and sell new and used charts, books, flags. Worldwide coverage and delivery. C-Map - Offers electronic charting software, digital nautical charts, and chart training software for recreational and professional mariners.