BonkEnc

BoncEnc
Open Source/GPL

BoncEnc is a cd ripping and encoding program that utilizes a lot of different open source projects. For Example CDParanoi, LAME, FAAC, Vorbis, and FLAC. It works without installing but I am not sure if it leaves any reg entries or files behind.

Here are the websites for more information.
http://www.bonkenc.org/index.php
http://sourceforge.net/projects/bonkenc/

CDParanoia - GPL
http://www.xiph.org/paranoia/
LAME - LGPL
http://lame.sourceforge.net/
FAAC - GPL
http://www.audiocoding.com/modules/wiki/?page=FAAC
Vorbis
http://www.vorbis.com/
FLAC - GPL
http://flac.sourceforge.net/