AddThis - AddThis free website tools include share buttons, targeting tools and content recommendations help you get more likes, shares and followers and keep them coming back.
Sharingbuttons.io - Quickly generate social sharing buttons with a tiny performance footprint.
Akismet - Akismet is a spam fighting service that protects millions of WordPress sites from comment and contact form spam.
Crazy Egg - Through Crazy Egg's heat map and scroll map reports you can get an understanding of how your visitors engage with your website so you can boost your conversion rates.
Amazon AMS - Existing advertiser? Sign in to access your Amazon Advertising account.
Simple Share Buttons - SimpleShareButtons is a plug-in for WordPress that comes with eleven different social sharing button sets.