Projucer is a free, open-source cross-platform IDE for developing audio and video applications. It is based on the JUCE library and provides a comprehensive suite of tools for designing, coding, debugging and packaging applications. It includes an audio-focused code editor, a visual property inspector, a project manager, a debugger, and a suite of command-line tools. It supports a wide range of platforms and architectures including Windows, Mac, Linux, iOS, Android, and Raspberry Pi, as well as popular audio plugins standards such as VST, AU, and AAX. Projucer also includes various tools and utilities such as a custom build system, a complete asset management system, and a real-time audio synthesizer.
Discontinued Aptana is still under development on GitHub but the latest version, 3.6.1, was released in October 2014. It lacks Java 8/9 features, as well as more recent JavaScript and HTML 5 features.