DropDMG is described as 'The easiest way to create Mac OS X disk images, as well as cross-platform archives. Just drag and drop a folder or file and you're done. Or, you can drag an existing disk image or archive onto DropDMG to convert it to any of the other supported formats or to burn' and is a Disk Imaging tool in the backup & sync category. There are six alternatives to DropDMG for Mac, Windows and Linux. The best DropDMG alternative is Disk Utility, which is free. Other great apps like DropDMG are Windows Computer Management, DMGBuilder, DMG Canvas and DarkDiskz.