These are packages for the i386 architecture. Here are brief descriptions of each subdirectory. packages-5-stable: Packages for FreeBSD-5-stable. packages-6-stable: Packages for FreeBSD-6-stable. packages-6.3-release: Packages for FreeBSD 6.3-release. packages-7-stable: Packages for FreeBSD-7-stable. packages-7.0-release: Packages for FreeBSD 7.0-release. packages-8-current: Packages for FreeBSD-8-current. packages-*-release directories are built from the ports collection shipped with the release, and are not updated thereafter. packages-*-stable and packages-*-current are updated roughly once a week. Please see the file "../../dir.sizes" for the current size of each directory. In particular, mirroring thise directories will cause about 8GB of traffic per week from packages-?-stable and packages-?-current updates.