mp4 flv

VirtualDub (1.8.0 or newer required) that allows it to open FLV files

extract a part of your MP4,AVI,RM,WMV video files to various video formats.

Cut MP4 files quickly

Audio Video MP4 Encoder

Freeware to convert Flash video to MPEG4

Free Flash tool to convert or create Flash video

The Free FLV Player PHP Driven FLV Hosting 2.2

The Free FLV Watermarker by FLV Hosting

FLV Converter-Convert videos to FLV (Windows 7 included)

FLV To Mp3 is a video converter that extracts FLV video's audio.