Red5 is an Open Source Flash Server written in Java that supports:
- Streaming Audio/Video: FLV, MP3, F4V, MP4, AAC, M4A
- Recording Client Streams (FLV only)
- Shared Objects
- Live Stream Publishing: Sorenson, VP6, h.264, Nelly Moser,
  MP3, Speex, AAC, NSV
- Remoting

WWW: http://www.red5.org/