Wims is a web-interface for teaching math lessons. It is composed of a server component and several modules in English, Spanish, French, Italian and Chinese. It can be used directly from the homepage or installed locally.
Wims is not yet packaged for Debian. License is GPL.
Wims Homepage http://wims.unice.fr/
Other tutorials in French: http://logiciels-libres-cndp.ac-versailles.fr/rubrique.php3?id_rubrique=24