UEFI boot manager that boots whatever is actually on the disk: Linux, the BSDs, macOS, Windows, Haiku, 9front. Ships its own filesystem drivers (ext4, btrfs, bcachefs, HFS+, UFS, NTFS), EFISTUB and Limine kernel loading, OpenCore chainloading, and Secure Boot via shim/MOK. EDK2, x86_64 and AArch64.