OVMF is an EDK II based project to enable UEFI support for Virtual Machines. OVMF contains a sample UEFI firmware for QEMU and KVM.
License information: BSD (May contain an additional exception if bundled with the FAT driver.)
More information: OVMF FAQ, How to build, Boot Overview, edk2-devel
Release r15214: X64 (zip), IA32 (zip), How to run, README
Source repositories: git {github, bitbucket, sourceforge, more info}, svn {sourceforge}