In short, OPENRNDR is a tool to create tools. It is an open source framework for creative coding, written in Kotlin for the Java VM that simplifies writing real-time interactive software. It fully embraces its existing infrastructure of (open source) libraries, editors, debuggers and build tools. It is designed and developed for prototyping as well as the development of robust performant visual and interactive applications. It is not an application, it is a collection of software components that aid the creation of applications.
a light weight application framework to quickly get you started
a fast OpenGL 3.3 backed drawer written using the LWJGL OpenGL bindings
a set of minimal and clean APIs that welcome programming in a modern style