HEATKEYS

International freight exchange - services for sea transportation companies: freight forwarders, sea shipping companies, cargo exporters and importers, commercial companies and traders. Sea chartering, container transportation. Freight of vessels for ...

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Marine Calculator, free download. Marine Calculator 1.0: Calculator for navigators and sailors.

ZIP Code Database list & Demographics - ZIP Codes by City with Boundary Data - Free ZIP Code Finder - or Download the Data - Maps, Zip Codes, Area Codes, Household Income, Current Population, Multi County Data, Postal codes, MSA codes, CBSA codes...

The National Geophysical Data Center (NGDC) is part of the US Dept of Commerce, National Oceanic & Atmospheric Administration, National Environmental Satellite, Data, & Information Service

Searoutefinder is a tool that finds and maps the optimal distance between ports all over the world

Gateway to one of the largest maritime libraries in the world, including online search features and access to linked databases and websites for the Cal Maritime community.

Daft Logic features tools, reference and projects relevant to web applications

Managing Data to Enable Understanding and Stewardship of the Ocean. The Physical Oceanography Distributed Active Archive Center (PO.DAAC) is the NASA data center responsible for archiving and distributing data relevant to the physical state of the oc...

USGS - USGS Woods Hole Science Center Coastal Ocean Modeling Sea Mat, a collaborative effort to organize and distribute Matlab tools for the Oceanographic Community