The FreeBSD Release Engineering Team has released FreeBSD 8.2 Beta 1 and 7.4 Beta 1of its popular free UNIX derivative. The first betas will be followed by two release candidates. The final versions of FreeBSD 7.4 and FreeBSD 8.2 are scheduled for the 24th of January.
More information about the development progress can be found in the official release announcement and on the Release Engineering wiki pages: FreeBSD 7.4 wiki and FreeBSD 8.2 wiki. FreeBSD 7.4 Beta 1 and 8.2 Beta 1 are available for download here.