High-power WiFi card plus matching laptop or externally-mounted antennas for increasing the range of your Wi-Fi access to hot zones, particularly in marinas. Also routers to permit more than one computer to share the setup.
Unmoderated forum on marine electrical and electronic equipment. Good advice and resources here, but you have to dig and you have to be selective.
PC software interface to optimize the download of e-mail via wireless connections such as Globalstar, Iridium, and Inmarsat from an OCENS server which collects your message from the internet and compresses them for transmission.
A discussion board and photo gallery for cruising sailors and wannabes focused on sailing instruments and communications equipment. Autopilot, radar, sonar, chart plotters, satellite telephones, mobile telephones, internet, marine e-mail, VHF, HF, SSB, etc.
Here's an easy way to start a blog (web log). Daily, weekly or occasionally, you record your adventures in text and images for others to read about your voyage. Or your maintenance project. Or anything else you want people to share with you.