The universal declaration of the UNESCO on the cultural diversity of 2001 explicitly show, among others, the right of the citizens to express, create and spread their works in the language of their choice, the right to an education and a quality formation that respect completely their cultural identity and the right to take part of the cultural life of their choice. In this paper we present some multilingual initiatives in the cyberspace that fight day after day for the respect and the defense of the fundamental rights of the languages and the cultures, despite its minority use, opposite to the linguistic imperialism, promoting in addition, the communication of the science and the research through them. [ABSTRACT FROM AUTHOR]