
Description: Altova XMLSpy is a XML editor and development environment for designing, editing and debugging XML, XSLT, XQuery, SOAP, and other XML-related technologies. It has a graphical interface with intelligent editing features to help create valid XML code quickly.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Stylus Studio is an XML IDE designed for working with XML documents and related technologies like XSLT, XQuery, XML Schema, and XPath. It provides features like intelligent code completion, debugging tools, file comparison, and data mapping.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API