Take the world's best courses, online, for free.
http://www.coursera.org/
similar - http://www.edx.org/
http://elearn.elke.uoa.gr/ or http://elearn.elke.uoa.gr/show_programs.php?catID=66
http://opencourses.gr/
2022 - The Odin Project
Top 10 Tools for a Free Online Education
http://lifehacker.com/5188342/top-10-tools-for-a-free-online-education
http://www.coursera.org/
similar - http://www.edx.org/
http://elearn.elke.uoa.gr/ or http://elearn.elke.uoa.gr/show_programs.php?catID=66
http://opencourses.gr/
2022 - The Odin Project
Top 10 Tools for a Free Online Education
http://lifehacker.com/5188342/top-10-tools-for-a-free-online-education