Platform: Windows (x86, 32-bit)Windows (x64, 64-bit)Mac OS X (Intel 32-bit)Mac OS X (PPC)Mac OS X (Intel 64-bit)Linux i386 (Fedora 12)Linux i386 (Ubuntu karmic)Linux x86_64 (Debian squeeze)Linux x86_64 (Fedora 14)Windows sourceMac OS X 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.