GEM stands for Graphics Environment for Multimedia and is an external (plugin) for the computer music software Pure Data. It adds the ability to do real-time graphics (based on OpenGL) and video processing to Pure Data.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.
