Gossamer Forum
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k5 Style
What does everyone reckon to a k5 style validator? Now that would be cool. You could leave your site, let all of the users pour over the submissions and come back with everything validated in a way that your visitors do love and automatically as well.

You have to log in to check it out. Basically people vote on new submissions. If it gets a high rating, it gets posted. If not, nope. I think.