This is an archive of the ISSS Projects wiki. It was last updated in 2015. Sections here are:
Have you never contributed to a Wiki before?
If you want to test your skills in a really innocuous place, try the playground.
Technical details are on the ISSS WebAdmin page.
If you're looking for the main (i.e. non-wiki) ISSS pages, they're at http://isss.org/world.