
Description: BlueJ is an integrated development environment specifically designed for teaching Java and object-oriented programming principles. It allows easy interaction and visualization to help beginners grasp key concepts like objects, classes and inheritance.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: MonoDevelop is a free and open source integrated development environment for Linux, macOS, and Windows. It supports building applications with C#, F#, Visual Basic .NET, Vala, Java, and more. It has support for many .NET platforms and Gtk# based user interfaces.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API