dv codec

FastCodec - free fast lossless video codec designed for video capture.

ffdshow is DirectShow and VFW codec for decoding/encoding many video and audio

Is a freeware that can install codec and play 3gp video files.

Toponoky is a free lossless video codec. Use it with high quality video.

QuickTime Lite is a trimmed-down version of QuickTime.

QT Lite is a trimmed down version of QuickTime