1) Ubersuggest by Neil Patel
Ubersuggest is by neil patel which helps us to find competitor rankings and suggest us thousand of keywords.
2) Semrush
determine thousands of keywords and get almost 10 free requests.
3) Keywords Everywhere
a cheap chrome extension which tells us search volume and CPC of a keyword
4) Ahrefs
a paid tool which can find backlinks, keywords analytics of any domain and suggest us best keywords.
