Hey URS,
Great to be of help on your project, I really think it can be pioneering.
Thanks a lot of offering to help on the IT front. Map integration is something I've never worked on. It would definitely be good to speak about the merits of Drupal compared to Spip. One major reason I use Spip is that it's very popular here in France (it's a French program) so I can easily get support here.
I've been running Spip for a few years now without any down time, DB problems, etc, for 12 sites. Also, the Spip team supports security updates through a single php file "security shield" you put up and blocks all known attacks to all version of Spip; clearly those weaknesses are then resolved in the next release, but you're not forced to upgrade the whole package to stay secure, just have to keep the security shield up to date. So I've been impressed by the stability, which is a major point.
For interactivity, Spip is built originally for a magazine setting, so is highly interactive; I just didn't implement automatic account creation on the current
www.solarfire.org site (since I wasn't sure I could be full time to administer it).
So, I'm already building the new site with Spip, which you'll be able to get the direct user experience to compare with Drupal.
However, the Spip DB is very well organized and doesn't really change from version to version, so someone wrote a Spip to Drupal converter. So, changing to Drupal is not ruled out, and other tools could be developed and implemented on other platforms as well.
I haven't used Drupal more than just checking them out, so I will be very interested to see your feedback on how Spip compares, and the advantages/disadvantages of switching to Drupal (they're both open source :).
I've put up a mumble server, so we could chat on that channel as well; I'd be interested to hear your experience directly. (others could join too)
Best regards
Eerik
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Eerik Wissenz
Free Access to Solar Energy
www.solarfire.orgSiSustainable - Web Development
www.sisustainable.com