Totally Free Burner

When you buy a new optical device for your computer, most times you will be provided with burning software. However if you've lost or haven’t such software, you might prefer an alternative. Here is excellent and free burning software called Totally Free Burner, which allows you to make recordings of CDs, DVDs and ISO, with the possibility of complete disc cloning. Its interface is very simple and intuitive, so it would be very easy to use and allows drag and drop; you needn’t to locate files from a file browser.
The disc recorder is very good and safe, allowing check data once the disc is finished.

• Support all current hardware interfaces (IDE/SCSI/USB/1394/SATA)
  Burn Multi-Session or Disc-at-Once mode to ALL supported media formats
• Support UDF/ISO9660/Joliet Bridged file systems (any combination)
• Support UNICODE for multi-byte languages
• On-the-fly burning for all image types (no staging to hard drive first)
• Create Bootable data discs or images
• Auto-verification of data images
• Automatic selection of burn modes for Disc-at-Once operations (no special device knowledge required)

Visit their home page for details and download
You may also choose any of the following free burners
1. Image Burn
2. CDBurnerxp
3. Infrarecorder