
Description: SEO Tools Centre is a free online suite of SEO and marketing tools to help website owners and marketers analyze and improve their site's search engine visibility. It includes tools for keyword research, backlink analysis, rank tracking, site auditing, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Link Dynamo is a powerful link indexing and link management tool for SEO professionals. It helps you identify impacted links, discover link opportunities, manage large-scale link building campaigns, and analyze backlink data to boost rankings.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API