What are useful tools for keyword research?

I have just started blogging and want to make money from blog. What are the tools you used for keyword research and which tool you think it's useful?

use adwords tool for keywords research

keyword research tools...

To find low competition keywords for SEO purposes.
To find keywords with 'buyer intent' that convert visitors into customers.
To get ideas for content so that you can write on subjects people in your niche are searching for.
Google Keyword Planner tool is free and great BUT only gives you search volume and doesn't display whether keywords are easy to rank.

Google planner keyword tool is best for keyword search and ranking. Go to your Google Adwords account and open keyword planner from Tools tab.

Best Keyword Research Tools
Semrush.
Soovle.
Jaaxy.
Google Search Console.
Ahrefs Keywords Explorer.
SECockpit.
Google Keyword Planner.
KeywordTool.io