Ventoy
Ventoy is a tool to create bootable USB drive for ISO files. You don't need to format the disk, just copy the image files to the USB drive and boot them directly.
You can copy many files at a time and Ventoy will give you a boot menu to select them (screenshot). Both Legacy BIOS and UEFI are supported in the same way. 470+ ISO/WIM/IMG/EFI files are tested.
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).
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).
Windows 11 UX Pack transforms your Windows system 10 into Windows 11 with themes, wallpapers, and sound effects.
WinFi is a toolset for quick Wi-Fi troubleshooting. It's features and functions leave many other Wi-Fi analysis tools far behind.
Outdated drivers may heavily affect your PC performance and lead to system crashes. Driver Booster Free scans and identifies outdated drivers automatically, and downloads and installs the right update for you with just one click.
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)
WinRAR is a powerful archive manager that is compatible with many compression formats. It is commercial software, but you can use it for free.