They’re also trying to build up a sea depth map consisting of open data. See http://depth.openseamap.org/ .
Based on this open weather data, you can build apps, for instance http://meteo-parapente.com for showing good locations for doing paragliding.
Open weather data? Then you need to measure it. They are working on an open source autonomous weather station.
Modern French diesel unit in Kruth in 2007
My name is Reinout van Rees and I work a lot with Python (programming language) and Django (website framework). I live in The Netherlands and I'm happily married to Annie van Rees-Kooiman.
Most of my website content is in my weblog. You can keep up to date by subscribing to the automatic feeds (for instance with Google reader):