>> I think UAE doesn't really belong in your list as it's also used by MorphOS users
>> as the only way to run hardware-hitting Amiga software on their OS of choice.

> It does since I can't run system-friendly (nor system-unfriendly) apps directly on Linux.

Then it seems I completely missed the point of your list. I thought that

"The only thing Amiga OS4.x could offer to MorphOS is the Amiga name. [...] If I wanted to use Gallium, QT, shared objets, UAE and a fancy desktop I would use Linux"

was meant to list software or components that are available (or announced) for both OS4 and Linux (while running better on Linux) but not available (nor announced) for MorphOS. After all, what would be the point in offering MorphOS something it already has?