Want to learn another language?
Put away your wallet, and hit the Internet.

At FSI-language-courses.org, you can access courses developed by the U.S. Foreign Service Institute in 41 languages. These courses were developed by the United States government.
FSI Language courses link

At Openculture.com/freelanguagelessons, you'll find a list of several free language lessons that you can download to your MP3 player.
Openculture.com link

Or go to MangoLanguages.com to see whether your public library grants you free access to its courses in 22 foreign languages and 14 courses in English as a second language.

You can learn: Arabic (Levantine), Chinese (Mandarin), Dari, Farsi (Persian), French, German, Greek, Hebrew, Hindi, Irish, Italian, Japanese, Korean, Pashto, Portuguese (Brazil), Russian, Spanish (Latin America), Tagalog, Thai, Turkish, Urdu, Vietnamese. Also advanced course in French, German, Italian and Spanish.
MangoLanguages.com link

Free University Courses from MIT (Massachusetts Institute of Technology).
All the course study materials, course outlines, etc. Many language courses
MIT link

AMERICAN SIGN LANGUAGE UNIVERSITY free sign language courses
ASL University is an online curriculum resource for American Sign Language students, instructors, interpreters, and parents of deaf children.
Feel free to use the various lessons and resources for self-study at no cost. There is no need to register or pay. These resources are free for your personal study. If you are a teacher, you have permission to use the lessons to teach your in-person classes.

ASL University link