[snvzz]

Rust aside, it uses a microkernel, multiserver architecture.

And, of course, drivers run in userspace and interact with the system through a clearly defined API.

Other systems like this include Robigalia, Lions OS and Genode.

They would likely quickly overtake Linux if they got 1% of the resources Linux receives.

[snvzz]

Correction, where I said Robigalia I meant Managarm.

Robigalia is also an effort, but one that hasn't been touched in nearly a decade.