The primary tested and supported platforms for UFFI are:
AllegroCL v6.2 on Debian GNU/Linux FreeBSD 4.5, Solaris v2.8, and Microsoft Windows XP.
Lispworks v4.2 on Debian GNU/Linux and Microsoft Windows XP.
CMUCL 18d on Debian GNU/Linux, FreeBSD 4.5, and Solaris 2.8
SBCL 0.7.8 on Debian GNU/Linux
SCL 1.1.1 on Debian GNU/Linux
OpenMCL 0.13 on Debian GNU/Linux for PowerPC
Beta code is included with UFFI for
OpenMCL and MCL with MacOSX