Serp Analyzer provides additional information about Google search results for those interested in SEO.
https://searchanalyzer.io
https://nextgrowthlabs.com
https://leadscloud.github.io/
ASOTools
https://serphelp.com/
https://serpsonar.com
https://www.phedratech.com/
https://www.omiod.com/
http://www.seobserver.com/
https://toolbar.tf
ahmed-sohag
http://www.serptrends.com/