Jeff Kahuthu
Jeff Kahuthu reviewedKeywords EverywhereFree browser add-on for keyword volume, CPC & competition
 Recommended
Pros: 

Really makes it easy to find related keywords, search volumes, and competitiveness.

Cons: 

Not much really. But I would have loved a way to scrape suggested searche a-la now-defunct ubersuggest.io

Not much more to say really. Amazing product. Works quite well.

Jeff Kahuthu has used this product for one month.