The developers of the BitTorrent file-sharing protocol have unveiled what they describe as a new "multimedia format" called a Bundle.

BBC: BitTorrent reveals Bundle file to package media content

Qwiki is part Wikipedia, part Quoro and part Google, a search engine that presents curated results in a multimedia format.

FORBES: Connect

Microsoft Windows Media Player: This audio and video player supports almost any type of local and streamed multimedia format, including Real Audio, Real Video, QuickTime, MIDI, MPEG-1, MPEG-2, MP3, AVI, .wav, .mov, .vod, and .au.

CNN: Top 10 video tools