Hi All,

There are two types of tools are available in the market

1. Google keyword planner:- This is a free keyword research tool you can use it to research keywords.
2. Ahrefs and Moz:- Both are premium tools. In these tools you can checkout who is competitor and their keywords too.

if you want to find out who are the competitors of your website then ahref and Moz are best tools to find competiton.