Platform: Windows x86Windows x64Macintosh OS X (Intel i386)Macintosh OS X (PPC)Macintosh OS X (Intel x86_64)Linux i386 (Fedora 12)Linux i386 (Ubuntu karmic)Linux x86_64 (Debian squeeze)Linux x86_64 (Fedora 14)Windows sourceMacintosh sourceUnix source

Note about the Linux installers: if you don't see an option for your particular platform, try other Linux installers, starting from similar ones. Very often, a build on one Linux variant will work on others too.