cloudlibc has a fantastic number of ports available. Motion to spread support even wider!
- HardenedBSD (basically FreeBSD with W^X)
- OpenBSD
- Alpine (musl libc)
- Void Linux (musl libc)
- Busybox uClibC
- Haiku (missing dprintf, easy enough to shim)
- SmartOS (needs Gnulib for dprintf, openat)
- Windows (cygwin)
- Windows (MVSC), note the use of Windows file handle structures rather than ind fd’s
cloudlibc has a fantastic number of ports available. Motion to spread support even wider!