Here's a diff between the 10.9 package list [0] and this one: <a href="https://gist.github.com/anonymous/014e71ac38a4776811f7" rel="nofollow">https://gist.github.com/anonymous/014e71ac38a4776811f7</a><p>Few changes, but some interesting things pop out, like the addition of libmalloc and libpthread and the removal of memcached and securityd.<p>[0] <a href="http://opensource.apple.com/release/os-x-109/" rel="nofollow">http://opensource.apple.com/release/os-x-109/</a>