Xiph.Org Foundation is a
non-profit organization that produces
free multimedia formats and software tools. It focuses on the
Ogg family of formats, and the most successful one has been
Vorbis, an open and freely licensed audio format and
codec designed to compete with the patented
WMA,
MP3 and
AAC. As of 2013, the current development work is focusing on
Daala, an open and patent-free video format and codec designed to compete with the patented
High Efficiency Video Coding and
VP9.