Cinelerra is a video editing and track-based digital compositing program designed for Linux. It is a free software distributed under the open source GNU General Public License. In addition to editing, it supports advanced composition operations such as keying and mattes, including a title generator, many effects to edit video and audio, keyframe automation, and many other professional functions depending on the variant. It processes audio in 64 floating-point form. Video is processed in RGBA or YUVA color spaces, in 16-bit integer or floating-point form. It is resolution and image refresh rate independent. The HV & GG variants support up to 8K video. The GG variant can also create DVDs and Blu-rays.