simsimi sdk with no auth.
include("simsimi.class.php");
$name = "suckit";
$content = "hi";
$sim = new Simsimi(array('sid'=>$name,'datapath'=>'sim_','proxy'=>'http://your proxy ip:8080'));
$ready = $sim->init();
$result = $sim->talk($content);
echo $result;
if you don't use proxy, you can omit the proxy option. sid option is the session handle keeping the dialog.
This is licensed under the GNU LGPL, version 2.1 or later.
For details, see: http://creativecommons.org/licenses/LGPL/2.1/