
Description: Apache Tomcat is an open source Java Servlet Container that implements specifications from Java EE and Java Servlet. It provides a web server environment to run Java code and serve web applications.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Payara Server is an open source application server derived from GlassFish Server Open Source Edition. It adds patches, bug fixes and enhancements on top of the GlassFish codebase. Key features include production-ready clustering, simplified troubleshooting and administration.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API