Whether you're employed or not it's always important to upgrade your skills. The world is constantly changing and so should you. Update your knowledge base, learn a new skill. 

Below is a list of free online courses you can take in your free time to upgrade yourself. 

1. Harvard University Free Online Courses

Entrepreneurship, Business Administration, Computer science, Programming and Data science etc.

To enroll visit https://online-learning.harvard.edu

2. Open Yale University Free Online Courses

Economics, Political science, African studies and History 

To enroll visit https://oyc.yale.edu/courses

3. Code Academy Free Computer Courses 

Web development, Programming, Computer Science, Data Science

To enroll visit https://www.codecademy.com

4. Academic Earth Free Online Courses

Accounting, Banking, Finance, Marketing. 

Graphic designing, Information Security and Assurance 

To enroll visit https://academicearth.org/online-degrees