I've tested some Wiki farms, using Mozilla (latest Firefox or the full suite).

Registerability?

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  • Cafewiki - register ok, no activation email received
  • crao.net French - register simple, no email needed
  • SeedWiki - register ok, confirmation email received
  • Xwiki.com - register ok, no activation email received
  • wiki.fr - register ok, no activation email received

Usability?

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  • Cafewiki no editing possible if user not activated
  • crao.net yes, straightforward, almost as easy as Media Wiki!
  • SeedWiki yes, but poor interface
  • Xwiki.com no editing possible if user not activated
  • wiki.fr no editing possible if user not activated

Compare with this review. -Wikibob | Talk 21:37, 2004 Nov 30 (UTC)