Keyword.io – Free keyword research tool. Find longtail and related keywords. Research keywords from many different source and create better content and campaigns.
KWFinder.com – Keyword Research and Analysis Tool. KWFinder covers both traditional and competitor keyword research to help you find long-tail keywords with low SEO difficulty. Try it for free!
Soovle.com – Let the web help. Search suggestions and completions from the top providers on the internet. Easy to use, fast and efficient. Hit the right arrow to change engines, and use your arrow keys to search without all the typing.
QuestionDB.io – The Best Blog Topics Idea Generator. QuestionDB is a tool that lets you search a massive collection of user questions to get original ideas for new content.
SECockpit.com – Keyword Research Tool for SEO & Google Ads. Take Control of Your SEO With the World’s Fastest, Most Effective Keyword Research Tool! SEO Software to find the most profitable niches & discover the best keywords to optimize.