Alishark bills itself as a 'spy tool' that looks at various pieces of data on Aliexpress and informs dropshippers which products they should be selling and, of course, which ones they should be steering clear of. It is really just an advanced 'product research' tool that allows you to find the right products to be dropshipping.

Unicorn Smasher is a chrome extension developed by AMZ Tracker team to help Amazon sellers about product research. It offers extensive information and data including product metrics, sales estimates, market analysis and more about every Amazon item. It is said that the data collected is based on Amazon and Google trends.

What is SEMrush? Simply put, SEMrush is a product that helps you optimize your website for search engines. Founded in 2008 by Oleg Shchegolev and Dmitry Melnikov, it now features a large user base — over 5 million users, according to the company — and is one of the most popular SEO tools currently available.