TheoraSoftwarePlayers

Multi-platform

• VLC Media Player: Open Source media player and streaming server that support virtually every video and audio format
• Xiph Plugins for Real Player/Producer
• Quicktime components for Quicktime 6 and Quicktime 7 – QuickTime and Macintosh OS X plug-ins
• Mplayer: Open Source video player
• Cortado: Java applet playing ogg/theora/vorbis
• Firefox 3.1 Alpha: Open Source web browser (Alpha quality software)

Windows

• DirectShow filter: Adds support for Ogg Vorbis, Ogg Speex, Ogg Theora, Ogg FLAC, and native FLAC to any DirectShow-compliant player such as Windows Media Player and BSPlayer
• Visonair.tv Player: Freeware player - Plays Ogg Vorbis and Theora streams

Linux/BSD

• Helix Player - an open source media player for Linux, Solaris, and Symbian based on the Helix DNA Client media engine.
• Totem - a Free Software (GPL-licensed) media player based on xine or GStreamer media engine.
• Xine: a Free Software (GPL-licensed) media player, complete with its own media engine and a long list of supported formats.

See also

• Theora Hardware: List of hardware-players supporting Ogg Theora
• TheoraSoftwarePlayers: List of media players that can play Ogg Theora
• TheoraSoftwareEncoders: List of software that can encode to Ogg Theora
• TheoraDecoders: List of decoder implementations
• TheoraEncoders: List of encoder implementations
• List of Theora videos: Get some files to see what the codec's like
• Games that use Theora: List of known games that use Theora
• TheoraTestsuite: Different samples to test player compliance