
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: SpinChimp is an AI-powered content creation and optimization platform that helps you generate high-quality blog posts, social media posts, emails, and more. It provides various tools and templates to easily create, edit, rewrite, and optimize content.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API