LiberKey
With LiberKey you can add up to 294 free portable applications on one USB stick.
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).
WinRAR is a powerful archive manager that is compatible with many compression formats. It is commercial software, but you can use it for free.
Windows 11 UX Pack transforms your Windows system 10 into Windows 11 with themes, wallpapers, and sound effects.
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 Repair is a tool designed help fix a large majority of known Windows problems including registry errors, file permissions, issues with Internet Explorer, Windows Updates, Windows Firewall and more.
WinFi is a toolset for quick Wi-Fi troubleshooting. It's features and functions leave many other Wi-Fi analysis tools far behind.
End-user redistributable of the DirectX End-User Runtimes that developers can include with their product. Microsoft DirectX is a collection of APIs for game and video tasks.