Simpleburner is a simple CLI application to make burning CDs and DVDs easier. It writes a directory with your files to burn to a CD. You have to set up some things like ISO image name and location for it. It can be run in modes like test burn, makeiso-only, or burn-only. More information is included in the help message.
cdrkit is CD Recording Kit, a collection of applications related to creation of optical disk media on Unix platforms, from creation of the filesystems used on such media to the actual burning process. It is heavily based on the cdrtools package (partially developed and maintained by Joerg Schilling before), but is maintained independently.
NeroLINUX is flexible graphical application to assist in burning writable CDs and DVDs in many formats. It supports all types of internal and external recorders that are supported by the API of the established Nero application for Windows. It features kernel optimizations for both 2.4 and 2.6 kernels, digital audio extraction, FreeDB support, and USB hotplugging. Video editing capabilities are not yet included.
GRAVEMAN is a GUI frontend for CD-R tools (cdrecord, readcd, and mkisofs), cdrdao, DVD+RW tools (growisofs and dvd+rw-format), and sox. It allows you to burn audio CDs (from WAV, Ogg, MP3, or FLAC files) and data CDs or DVDs, and allows you to duplicate CDs. You can also import M3U and PTS playlists.
XO Wave is a digital audio workstation designed to meet the needs of audio and video professionals, with a focus on CD mastering and audio for video work. XO Wave provides professional-grade capabilities for manipulating audio, with a familiar and elegant interface. It supports direct recording from any Core Audio device (ALSA/Jack/OSS on Linux), importing and exporting files in a variety of formats (including songs from iTunes playlists), CD burning, multi-track editing, support for many Audio Units, and QuickTime synchronization and export.