RosettaStone
The Rosetta Project is a global collaboration of language specialists and native speakers working to build a publicly accessible digital library of human languages. (22.6.2012)
UNESCO Atlas of the World's Languages in Danger
UNESCO’s Atlas of the World’s Languages in Danger is intended to raise awareness about language endangerment and the need to safeguard the world’s linguistic diversity among policy-makers, speaker communities and the general public, and to be a tool to monitor the status of endangered languages and the trends in linguistic diversity at the global level. (22.6.2012)
http://www.unesco.org/culture/languages-atlas/index.php
Endangered Languages Project (Google and some universities)
The Endangered Languages Project, is an online resource to record, access, and share samples of and research on endangered languages, as well as to share advice and best practices for those working to document or strengthen languages under threat. (22.6.2012)