Rip your CD tracks to the OGG-Vorbis format with Winamp Plug-In
Ogg Vorbis is a completely open, patent-free, professional audio encoding and streaming technology with all the benefits of Open Source. It’s currently one of the best candidate to 'mp3 successor', and its wide increasing support illustrates its qualities and popularity.
This encoder allows to rip CD tracks to Ogg-Vorbis 1.1 files using the Winamp 5 built-in CD ripper (free or pro editions). Resultant files are adjustable through a quality setting (-1.00 to 10.00), although an estimated average bitrate is displayed for information.
[official Ogg-Vorbis site]
Winamp Staff Review:
Gives you OGG-Vorbis encoding power for Winamp, allowing you to rip CD's to the OGG format.
[official Winamp site]