"MH is free software" and there's a link to GNU, but I don't see an actual license anywhere.
"it is possible to use NetBSD drivers, filesystem and other code in userspace to driver real hardware, it has a complete libc in userspace, Newlib, and has a really useful native runtime system, libmrg" - that is promising, even though there are notes about this still being early / not useful, etc.
Source code: https://github.com/mhsys/mh
"MH is free software" and there's a link to GNU, but I don't see an actual license anywhere.
"it is possible to use NetBSD drivers, filesystem and other code in userspace to driver real hardware, it has a complete libc in userspace, Newlib, and has a really useful native runtime system, libmrg" - that is promising, even though there are notes about this still being early / not useful, etc.