Link	Website	Description	Free plan
SEMRush	semrush.com	We collect massive amounts of SERP data for more than 106 million keywords and 71 million domains, including: AdWords ad copies and positions, organic positions for domains and landing URLs, search volumes, CPC, competition, number of results, and so much more. We also provide accurate, customized data with quick turn-around times for your special projects.	Yes Limited/14 days trial
Serpstat	serpstat.com	Serpstat is a premium all-in-one platform for SEO/PPC experts and marketers. The tool is used for in-depth competitor analysis,keyword and ranking research, building advertising campaigns, SEO audit, and backlink analysis. Serpstat’s database expands on 10 geographical regions of Google (USA, Australia, United Kingdom, Bulgaria, Ukraine, Lithuania, Russia, Kazakhstan, South Africa, Canada) and 3 regional databases of Yandex. Serpstat databases are biggest on the market	Yes Freemium
Raven keyword research	raventools.com/...	Research Central is the first tool to combine domain and keyword research in a single research resource. It is a treasure trove for SEOs who want to save time on SEO research. You can quickly analyze a URL’s page authority, domain authority, backlinks, social signals and more. With a few keystrokes, you can switch to keyword research and then switch back.	- Free trial
K-meta Keyword Research Tool	k-meta.com	Make your keywords list huge for ideal for SEO & PPC keyword research! with Batch Keywords Analysis, Competitor Keywords Spying, Export all data Reports, Useful and Easy in Use Tool! Create an effective semantic core for any website.	Yes 50 Reports per day
Yooda Insight	yooda.com	Suggestion of keywords for French market.	Yes And Premium : 39€ HT/mois