Freemake Video Converter converts video between 500+ formats and gadgets free.

Freemake Audio Converter converts music files between 50+ audio formats.

Switch Audio File Converter allows you to convert common file types to a very comprehensive variety of audio output formats.

Strawberry is an Open Sourced music player.

Pazera Free Audio Extractor is a free application that extracts audio tracks from video files without loss of sound quality or converts them to MP3, AAC, etc.

Free Audio Converter is a free audio format conversion software.