Soovle can be considered to be a search engine meant for search engines. The search tool can be customized, and suggestions can be brought together from a maximum of 15 search engines. All you need to do is enter your keywords.
It is the best alternative to the Keyword Tool from Google when it comes to keyword research for PPC and SEO, and it is free. You can get more than 750 relevant keywords of the long-tail variety from Google Suggest.
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Use this fantastic tool to develop an enormous list of different keywords. Each query will be linked to a query in Google. It is excellent for developing strategies quickly.
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This tool makes it easier to curate a list of targetable keywords. Entering a seed keyword will be enough to show you all related keywords along with their competitiveness and search volumes.
It is a fantastic tool that can be used for SEO competition analysis as well as keyword research. It is free up to 50 keywords. If you want to track more, you need to pay. The interface is clean and easy to use. Actionable data is also provided.
This tool helps you search for word variations, spelling mistakes and similar words. While primarily meant for PPC, you can still use it for kickstarting your keyword lists.
SEMRush is often preferred by marketers as it allows you to complete a copious amount of research. Apart from competitive research, you can also use it for individual keywords.