1)   OJOsoft FLV Converter 2.7.4
It can convert into all popular video formats including AVI, MPG, MPEG, WMV, MP4, MOV,3GP/3G2, ASF. It also supports converting video files to FLV. In the mean time, it supports converting FLV to audio formats like MP3, WMA etc.

 2)   RER FLV Converter 3.7.4
RER FLV Converter is a practical utility that works, as its name suggests, for FLV file conversion. All the conversions can be done both ways - from FLV to other videos, and from others to FLV easy and fast. Free to try, free upgrades.

 3)   Free FLV to MP3 Converter 1.6.12
Free FLV to MP3 Converter is currently the best FLV to MP3 converter which can convert FLV to MP3 with super fast conversion speed and highest conversion quality . Free Flash Flv MP3 Converter has a user-friendly interface.

 4)   Aiseesoft FLV to MP3 Converter 3.3.08
Aiseesoft FLV to MP3 Converter is a professional FLV Audio Converter, which can convert FLV to MP3, convert FLV to WMA, AAC, OGG, RAM, RA, etc. With friendly interface and lots of useful features, you could enjoy the FLV music on your MP3.

 5)   Bluefox FLV to MP3 Converter 2.11.9.121
Bluefox FLV to MP3 Converter is powerful and easy to use software, which is specially designed for MP3 fans to convert their favorite FLV audio files to MP3 format.

 6)   FLV2MP3 1.1
FLV2MP3 - is a tool which allows you to convert your favourite FLV-files (for example you can have them from youtube.com) into MP3 files. And then you can hear them out via your player/cellphone without any problems.