Google search console provided by google is most trusted And accurate tool by far listing down important SEO errors direct impacting the website.
One more tool by Google and one of the most widely used tools that provides more accurate & advanced data.
A free tool by Google is an expert tool in coverting data into informative & customizable reports
one of the importsnt tools helpful for keywords research which is required for SEO. Considered as one of the best tool to pick out appropriate keywords for your website.