Xiph.Org Foundation

The Xiph.Org Foundation is a non-profit corporation dedicated to protecting the foundations of Internet multimedia from control by private interests. Our purpose is to support and develop free, open protocols and software to serve the public, developer and business markets.

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Xiph QuickTime Components
Free
Ogg Vorbis, Speex, FLAC, Theora plugins.
Mac
Directshow Filters for Ogg Vorbis, Speex, Theora and FLAC (64-bit)
Free
Enable .ogg file support for your Windows Media Player.
Windows
Libvorbis for Linux
Free
Get an audio encoding and streaming technology for Linux.
Linux
Directshow Filters for Ogg Vorbis, Speex, Theora and FLAC (32-bit)
Free
Enable .ogg file support for your Windows Media Player.
Windows
Xiph QuickTime Components
Free
Provide support for Xiph media compression and container formats.
Windows