cdrdao is free software for authoring and ripping of CD-ROMs. The software is released under the GPL. Cdrdao records audio or data CD-Rs in Disk-At-Once mode based on a textual description of the CD contents. The cdrdao program is run from the command line and has no graphical user interface, except for third-party ones such as K3b and Gcdmaster (Linux) or XDuplicator (Windows).
cdrdao is cross-platform software and is reported to work on FreeBSD, Linux, Microsoft Windows, OS/2 and UnixWare.