openFrameworks is an open source toolkit designed for "creative coding". OpenFrameworks is written in C++ and built on top of OpenGL. Developed by Zach Lieberman, Theodore Watson, and Arturo Castro, with help from the OF community.
License: Open Source
Pure Data is a visual programming language primarily focused on audio and MIDI processing, making it accessible to non-coders. In contrast, OpenFrameworks is a C++ toolkit designed for creative coding, providing greater flexibility and performance for complex multimedia projects.