Th3 Core

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This does almost everything that NoScript for FireFox can. It's available for Chrome here: https://chrome.google.com/extensions/detail/odjhifogjcknibkahlpidmdajjpkkcfn?hl=en
Beware that after setup you have to manually edit a text file to add a password.

NotScripts is also available as an Opera extension. Opera 11 was released today and it now handles extensions. Extensions are not as smooth on Opera as they are on other browsers, but it's a decent first attempt.
https://addons.opera.com/addons/extensions/details/notscripts/1.0.4/?display=en