Do you know what is the best tool to make your site vulnerable with Google updates? Do you know how to regain you ranking on Google? if you dont all you need to do is make a quality content then re organized your website and sign a petition to Google. This will not work like a spinning bullet because human are the one who is checking the petition. Dont lose hope and start dominating the search engine again.
There isn't any tool which can fight with panda and penguin. What you shoud know about pands is not to spam, and about penguin- to use unique and very qualitative content for people.And if buying links- try buying relevant thematics with high domain authority and low OBL.
There is no any tools to fight against Google penguin. But try to get back links with different anchor text and add fresh content to your websites.
Basically you need to make sure your content is good and that you implement a high quality back linking strategy. You have to take a few things into consideration when doing back linking to ur site.. u need a good Link diversity, high PR and quality links, contextual, DO follow and relevant links only!