What are the best Tools apart from Google Analytics and Webmaster for SEO?

Selected answers from the Dumb SEO Questions Facebook & G+ community.

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  Hardial Singh: What are the best Tools apart from Google Analytics and Webmaster for SEO? Used couple of tools for keyword ranking monitoring and backlink analysis. But not sure about quality of these tools.
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  Jim Munro: +Hardial Singh ;, I am sorry but we have let you down this week. I saw you in the HOA but I did not know that you had added three questions as these were posted subsequent to the preparation of our runlist for tonight's HOA. With your permission I will add you to the invitation list for next week.
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  Hardial Singh: Thanks +Jim Munro
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  Pau Lica: +Hardial Singh
  For backlink analysis you can use: opensiteexplorer.org, majesticseo.com, ahrefs.com, monitorbacklinks.com. When you do a link building audit it's recommended that you use 2-3 tools.
  For keyword rankings I only use Webmaster Tools.
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  Edwin Jonk: From the expert panel in this weeks SEO Questions hangout on air on 00:11:21 into the YouTube video: https://dumbseoquestions.com/q/what_are_the_best_tools_apart_from_google_analytics_and_webmaster_for_seo +Hardial Singh
  
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