* '''General Usage:'''
** [[Metadata]]: Various types of Ogg metadata including the [[M3F]] (Multimedia Metadata Format) and [[XMLEmbedding]]
** [[MIME_Types_and_File_Extensions]]: MIME Types and file extensions for Ogg multimedia files
Oggless]]: Embedding Xiph codecs like Vorbis in containers other than Ogg
* '''Compressed Codecs:'''
Ghost]]: A "next-generation " audio codec (vapourware so far -- don't hold your breath)** [[ OggCELT]]: A low- latency audio codec
** [[OggMNG]]: A mapping for encapsulating the MNG animation format in Ogg
* '''Uncompressed Codecs:'''
** [[OggKate]]: A codec for karaoke and text encapsulation in Ogg
New Uncompressed PCM audio, currently being implemented (formerly Draft2)
** [[OggSpots]]: A mapping for encapsulating timed images in Ogg
** [[OggUVS]]: Uncompressed RGB and YUV video
, under active development (preferred to OggRGB and OggYUV).
* '''Abandonware''' (nobody working on those as far as we know)
** [[IceShare]]: P2P content distribution
** [[OggPCM_Draft1]]: Original uncompressed PCM audio proposal