Curlew è un convertitore multimediale gratuito e open source facile da usare per Linux.
MystiQ
Convertitore multimediale facile da usare ed elegante.
Sound Konverter
soundKonverter is a frontend to various audio converters.
DeadDBeeF
DeaDBeeF lets you play variety of audio formats, convert between them, customize the UI almost any way you want, and use many additional plugins which can extend it even more.
Ciano
The ciano is a multimedia converter for all the format you need.