There’s a difference between source available and open source. For example, actually being allowed to distribute modified versions is pretty damn important:

Restrictions

• No Distribution of Modified Versions: You may not distribute modified versions of the software, whether in source or binary form.
• No Forking: You may not create, maintain, or distribute a forked version of the software.
• Official Distribution: Only the maintainers of the official repository are allowed to distribute the software and its modifications.

Hmm, I might try to make that. Any particular feature you are looking for, or is just displaying all the events in a table good 'nuff?

The MSYS2 environment on Windows uses pacman as well.

All the core tools are actually a single executable with many symlinks to it, which makes the distro very compact. This makes it very nice as a base for Docker images.

https://en.m.wikipedia.org/wiki/BusyBox