If you looking for Imgburn for mac, you can try this free application called Burn-osx. With this Burn-osx,you can Burn your files to a disc so you can access them later on. Choose different filesystems so you can share your files with people with different operating systems.

With this Imgburn for mac, we can Create standard Audio-CD discs with ease. Just drop your audio files in Burns audio list. Want more music on your disc, Burn can create MP3 discs.

Requirements:
Mac OS X 10.3.9 or higher
An PowerPC or Intel Mac

How much does it cost.

Burn is absolutely free and open source.