• http://github.com/ymendel/flac2mp3
• http://www.linuxtutorialblog.com/post/solution-converting-flac-to-mp3-advanced-supports-drag-n-drop/flac2mp3
• http://bytemonkey.org/flac2mp3
• http://projects.robinbowes.com/flac2mp3/trac
• http://emptybits.com/flac2mp3
• http://www.magicvideo.net/flac-to-mp3/