Soovle - Soovle is a customizable search engine provides the search suggestion of the best provider on the net.
Monitor Backlinks - Easy Link Management - SEO Tool for automatically checking your backlinks.
Google Trends - Explore Google trending search topics with Google Trends.
Botify - Traffic Managers, SEO Managers, Webmasters:Crawl your site to extract all of its metadata and identify areas for improvement
Moz Analytics - Moz Analytics is the most popular SEO (Search Engine Optimization) tool that uses both basic and advanced research tools to enhance your traffic.
Backlinks by Neil Patel - A backlinks research tool for competitive intelligence