
Description: Open Site Explorer is a free SEO tool by Moz that allows you to research a website's backlink profile and analyze competitors' links. It provides metrics like Domain Authority, Page Authority, and link metrics to assess sites' SEO performance.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Surfer SEO is a SEO software tool that helps website owners improve their search engine rankings. It offers keyword research, backlink analysis, site auditing, rank tracking, and other essential SEO features.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API