Svensens.com: Knowledgeable workers, great prices, and best of all, they’re not West Marine. The place to get your yachting goods

SailingIssues.com: The best, if not only, complete boat navigation and piloting lesson online. Local mirror no longer available

Cal-Sailing.org: Not-for-profit sailing association in Berkeley California. If you want to learn to sail, need  more time on the water, or just need good company, this is the cheapest and best place to check out.

Latitude38.com: All the latest sailing gab around 37º 45’, 122º 28’

Communitycolo.net: Not-for-profit web host and ISP/colocation group I am associated with - in the sense of "I run the stuff" at least. Free as in speech AND beer.

NOS/NOAA: Online tidal charts and up to the minute weather reports at certain stations. Tides@Golden Gate  and Weather@Alameda

Maptech.com: Not all of us can afford up to the date charts to keep lying around the house. This site provides great charts online for free

FreeBSD.org: The best free UNIX solution out there. The only better operating system on the server side is VMS, or Windows 2000

OpenBSD.org: Same as above, but ultra secure.