Chrome: fPrivacy is a new Chrome add-on that gives you granular control over the permissions that Facebook apps request when you add them to or authorize them to access your account. For example, if you add a Facebook app and you're not too comfortable with the app's ability to post to your wall, or access your data at any time, you can deny those specific permissions while granting the other ones required for the app to function. More »

Chrome/Firefox: FB Secure is a Chrome extension that gives you precise control over the permissions that a Facebook application or game gets when you connect it with your Facebook account. For example, if you're connecting an app but don't want it to post to your wall, you can deny those permissions while accepting the rest. More »