CD- / DVD-Tools

Burning
ImgBurn (free)
http://imgburn.com/

CDburnerXP Pro (free)
http://www.cdburnerxp.se/

Ripper
Audiograbber (free)
http://www.audiograbber.de/

CDex (os)
http://sourceforge.net/projects/cdexos/

DVDshrink (free)
http://www.dvdshrink.org/

Tools
Daemon Tools (free)
http://www.daemon-tools.cc/

CD Bremse (free)
http://www.cd-bremse.de/

Unstoppable Copier (free)
http://www.roadkil.net/unstopcp.html

os: open-source; free: freeware [mostly for non-commercial use];
trial: evaluation version, mostly limited to 30 days;
share: shareware [1. free to use with all features for a short period of time, or 2. free to use with limited features - or nag-screens(winzip)], both kinds have to be paid to become the full versions