
Description: JSter is a free and open source JavaScript playground that allows developers to easily test JavaScript code snippets in the browser. It has features like syntax highlighting, auto-completion, error reporting, and more to provide a full-featured coding environment.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: SimilarSites.Net is a free online tool that helps users find similar websites. It allows entering any website URL and provides suggestions of websites that have related content and topics. The tool utilizes advanced algorithms to analyze website content and link structures to identify comparable sites.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API