NetBeans is an open-source integrated development environment (IDE) for Java, JavaScript, HTML5, PHP, C/C++, and more. It provides a powerful, easy-to-use platform for developing desktop, mobile, and web applications. It's free and open source!
Objective-C is an object-oriented programming language used to develop apps for Apple products. It is a superset of the C language and provides object-oriented capabilities and a dynamic runtime. It is used to create apps for iOS, macOS, watchOS, and tvOS.
Scala-IDE is an open-source, Eclipse-based IDE for the Scala programming language. It provides advanced editing, debugging, and refactoring tools, as well as integration with popular build tools and version control systems.