I'm cheating on one of these, but hopefully my explanation makes sense.
Even if you aren’t a technical user, getting your open-source apps (and updates) from UniGetUi is simple. However, it still might be too intense for less experienced users. I am a tech user. However, ...
If Windows is your preferred operating system, consider these open-source apps. There are numerous open-source apps available for almost any task. These are all free to install and use on Windows.