Hastymail2

License 

    Hastymail2 is released under the GNU GPL license. Hastymail incorporates other open source software for some functionality. The following files are attributed to and licensed as follows:

       lib/ajax_functions.php   modified version of the Sajax library
                                          (c) Copyright 2005 modernmethod, inc
                                          released under the BSD license

       js/sajax_wrappers.js     modified version of the Sajax library
                                          (c) Copyright 2005 modernmethod, inc
                                           released under the BSD license

       lib/htmlfilter.inc              (c) Copyright 2002-2004 by Duke University
                                          <icon [at] linux [dot] duke [dot] edu>
                                          released under the GNU LGPL

       js/effects_full.js             (c) Copyright (c) 2005 Thomas Fuchs
                                           http://script.aculo.us, http://mir.aculo.us
                                           released under the MIT license

       js/effects_light.js           (c) Copyright (c) 2005 Thomas Fuchs
                                           http://script.aculo.us, http://mir.aculo.us
                                           released under the MIT license

Hastymail does not use the script.aculo.us javascript libraries directly, but makes compressed versions available through the plugin API. The Sajax includes can be disabled and Hastymail will still function, but without any AJAX functionality.