Don't Shelve Money to Burn your CDs/DVDs

Want to burn ISO to your CD/DVD without shelving at least 80 bucks? The following are a list of programs out there that would help you do just that, for free.

• DeepBurner from Astonsoft would let you burn data CDs/DVDs, burn AudioCDs, create and burn ISO images and has bootable CD/DVD support. The paid version has more features added such as disk to disk copy, burning video CDs and photo albums, but the free version has just enough features to satisfy most of your burning needs.
• CDBurnerXP is a free application to burn CDs and DVDs, including Blu-Ray and HD-DVDs. It also includes the feature to burn and create ISOs, as well as a multilanguage interface. Everyone, even companies, can use it for free. It does not include adware or similar malicious components.
• Burn4Free CD and DVD is a burning solution that's compatible with more
  than 3,000 DVD and CD burners. Burn data and audio from different file
  types (WAV, WMA, MP3, OGG, FLAC, WavPack, and CDA). Burn and save ISO
  files, open and save your project to disk, verify content, print
  compilations, copy DVDs, and import your audio compilation from M3U and
  ASX playlists. The drives supported include dual-layer DVD, CD-R,
  CD-RW, DVD-R, DVD+R, DVD-RW, DVD+RW, and DVD-RAM (SCSI, IDE, EIDE, and
  USB 1.0 and 2.0).
• 
  ImgBurn writes a variety of DVD and CD images (including ISO images) to your CD / DVD writer, and is able to handle things like
  booktype and bitsetting. It is also able to burn DVD Video double layer images using the layer break you specify in the IFO file
  (or it can calcuate the layer break for you if you wish). The program is also able to erase and format rewritable media.
  Other features include the ability to create your own ISOs, with support for the various ISO levels, Joliet support, UDF,
  bootable CDs and DVDs, etc, from files and folders on your disk. In other words, you can basically use this program as a
  CD/DVD mastering program.
• Active ISO Burner is a freeware application that will allow you to burn an ISO image file to CD-R, DVD-R, DVD+R, CD-RW, DVD-RW and
  DL DVD+RW

And last, certainly not the least, is one of the best apps out there that is still being actively developed by the open source community

• InfraRecorder is a free CD/DVD burning solution for Microsoft Windows.
  It offers a wide range of powerful features; all through an easy to use
  application interface and Windows Explorer integration.