owlOS has been rewritten! You can find the old version here.
owlOS is a hobby operating system written in Rust, currently targeting RISC-V boards, but plans on adding AMD64 support in the near future.
The new rewrite of owlOS is currently a WIP and can't even be built yet.
owlOS is licensed under the Apache License, Version 2.0.
The full text of the license is included in the license file of this software package, which can be accessed here.