From the website :
CDBurnerXP Pro is a freeware CD-Writer program. The program can write CD-R and CD-RW discs. It can also write discs directly from an ISO image file, and save image as an ISO image file (*.iso). CDBurnerXP can also erase CD-RW discs, other features are:
Create fully compatible ISO9660 and Joliet CD's.
Supports BURN-PROOF technology.
Write ISO images for raw writing by other applications.
Import ISO images from other applications.
Import multi-session data tracks.
Supports creation of multi-session disks.
Supports use of high write speeds.
ASPI not required for NT/2000/XP.
Supports use of re-writeable discs.
Burn Audio CD's, only WAV-files supported.
Rip Audio CD's to MP3, OGG, WMA, WAV