BurnAware Free 6.2 Portable by Evan

BurnAware Free is one of the most popular free CD, DVD, Blu-ray Disc burning software available for Windows.
Using this program you can easily create and burn Audio and MP3 CD, Data and DVD-Video disc, ISO and Cue Image,
erase or format rewritable disc, copy your CD or DVD to ISO image.
Features:

Create data, bootable and multisession CD/DVD/Blu-ray Discs

Create Audio CDs and MP3 CD/DVD/Blu-ray Discs

Create DVD-Video

Record boot disc images

Create and record disc images

Supports all current hardware interfaces (IDE/SCSI/USB/1394/SATA)

Supports UDF/ISO9660/Joliet Bridged file systems (any combination)

On-the-fly writing for all image types (no staging to hard drive first)

Auto-verification of written files

Supports CD-Text and unicode characters

Supports Windows NT/2000/XP/Vista/7 (32 and 64 Bit), no drivers required
Changelog:
New Features:

Added an option to set priority for any file or folder.
Added a new file manager into the main window.

Improvements:

Improved the process of burning and copying.
Preserve date and time of files and directories during import.
Modified the method of adding and processing the data.
"Browse for Folder" dialogs have been updated.
Updated user interface and translations.

Fixes:

Fixed the bug with locking the program while erasing RW discs.
Resolved compatibility problems with emulation software (Daemon Tools, Alcohol 120% etc.).
Fixed the bug with incorrectly detection the sector size of an ISO image file.
Fixed the bug with timestamps of directories in UDF compilations.
Fixed the bug with detection of source drive while direct copying.