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I like Raven's tools for link building. I have never tried buzz stream, but I am going to give it a try. I can't afford to have both Moz and Raven's. The content manager in raven is VERY buggy. And axribe is very stripped down. I love scribe, but with ravens its limited. Bugs with ravens content are as follows: Meta description does not pass from raven to WordPress seo (you have to go into wp to re enter) when you do it created a duplicate post in WP which is a second bug. I mentioned this to raven and they said it was a bug with WordPress.