Wikitongues is a project which aims to catalogue all the world’s languages. Help out Wikitongues with their mission to share and help learn every language in the world! They are currently running a Kickstarter which will help them immensely in this goal. They want to provide language lessons and phrasebooks, amongst many other project to the language community. Check out their youtube video and their Kickstarter page. A very good cause!
https://www.youtube.com/watch?v=rzWSqko03TM