Rufus
If you need to create bootable USB installation media from ISOs like Windows or Linux, Rufus can create these in a very easy way. Just select the ISO file and simply point to the USB drive, that's it!
Ultimate Boot CD 5.3.9 assembles over 100 PC hardware diagnosis tools into one bootable CD to analyze and repair hard drives and to fix boot problems (CD iso).
Discover the brand new Windows 11 operating system. Free upgrade from Windows 10 with the Windows 11 Installation Assistant.
Provides ongoing improvements to the Windows Operating System (OS), includes previous updates delivered over Windows Update as well as continuing incremental updates to the Windows 7 platform (DVD iso)
Hiren’s BootCD PE contains many tools you can use for analyzing, recovering and fixing your computer, even if the primary operating system can not be booted (CD iso).
Install Windows onto your computer from an ISO file on a USB drive or DVD.
WinRAR is a powerful archive manager that is compatible with many compression formats. It is commercial software, but you can use it for free.
macOS Transformation Pack greatly resembles real macOS from Windows side.