What are some alternatives?
When comparing Astroburn and Rufus, you can also consider the following products
ImgBurn - What in the Heck is IMG Burn? We all need to copy discs from time to time.
UNetbootin - UNetbootin is a utility for creating live bootable USB drives. The name of the software is short for Universal Netboot Installer, and its most prevalent use has been to create bootable versions of Linux distributions on a USB drive.
CDBurnerXP - Free CD, DVD, ISO, HD-DVD and Blu-Ray burning software with multi-language interface. Everyone, even companies, can use it for free.
YUMI - YUMI (Your Universal Multiboot Installer), is the successor to our MultibootISOs.
AnyBurn - AnyBurn is a light weight but professional free CD / DVD / Blu-ray burning software
Etcher - Why Etcher? Here at resin.