SEOmator - SEO website analysis & audit tool
Whatsmyserp - Powerful Rank & Serp Tracking. Completely Free.
Seolyzer - Seolyzer is the ultimate SEO tool that provides you with all the information you need to improve your website’s health and performance.
Panguin Tool by Barracuda Digital - See your website's Google organic visit data overlaid with Google's major algorithm updates and changes to easily identify the impact on your website. Technology by Barracuda Digital.
UpCity Free SEO Report Card - UpCity Free SEO Report Card is an SEO software that is essential for any business with an online presence to improve Search engine optimization.
Sonatype Nexus Lifecycle - Sonatype Nexus Lifecycle is a software repository and composition analysis tool that helps developers and operations teams keep track of all the software components in their applications and systems.