For a full language pack you can also include extra files from external applications (to be inclued in the INCLUDE and JSCALENDAR folders)
Languages are available at:
1- \include\phpmailer
PHPMailer/language at master - https://github.com/PHPMailer/PHPMailer/tree/master/language
2- include\HTMLPurifier
HTML Purifier - Translations: https://www.transifex.com/projects/p/htmlpurifier/
3- \include\javascript\tiny_mce
TinyMCE localization - https://www.transifex.com/projects/p/tinymce/
Download translations: http://www.tinymce.com/i18n/index.php
4- \include\javascript\yui3\build\datatype\lang
YUI Library - http://yuilibrary.com - IMPORTANT: The YUI library is no longer actively maintained
5- \jscalendar\lang
Languages are included in the zip to downlaod: http://sourceforge.net/projects/jscalendar/files/jscalendar/
6- \modules\AOS_PDF_Templates\PDF_Lib
Hyphenator - https://code.google.com/p/hyphenator/
(download for patterns files)
And its official… we need a WIKI!!!