ImgBurn
CD/DVD/HD-DVD/Blu-ray burning tool. Also, lets you easily create image files from CDs and DVDs.
CDBurnerXP
The most popular free alternative to Nero Burning ROM. Burn CDs, DVDs, Blu-Ray and HD-DVDs.
bitRipper
Back-up your DVDs as AVI files or MPEG to your hard drive. Excellent backup tool for DVDs.
CDex
Open-source digital audio CD extractor. Saves CD tracks as MP3′s.
DuBaron CD2ISO
A great tool to extract ISO images from CDs or DVDs. Very simple and easy to use.
Virtual CloneDrive
Mount a virtual drive to open and playback ISO image files (CD/DVD images).
DVDShrink
The easiest and one of the better free DVD ripping and backup tools.
Exact Audio Copy
The most accurate and error-free audio CD extractor.
Can extract MP3s from a CD.
DVD Flick
Easy-to-use DVD creation software. Allows adding subtitles and making DVD menus as well.
WinCDEmu
Mount ISO, CUE, NRG, MDS/MDF, CCD, IMG images by simply clicking on them in Windows Explorer.
DVDFab HD Decrypter
One of the only free tools that supports the decrypting of Blu-Ray discs.
DaemonTools Lite
Lightweight and free disk virtualization software for installing virtual drives and mounting disk images.