Here are a few free online learning resources

• edX – https://www.edx.org/
• iTunes U –  https://www.apple.com/education/ipad/itunes-u/
• Khan Academy – https://www.khanacademy.org/
• Coursera – https://www.coursera.org/
• Alison – http://alison.com/
• TED – www.ted.com/
• The New Boston – https://www.thenewboston.com/
• Iron Yard – https://www.theironyard.com/