<human>:  Where can I find free online courses to boost my knowledge in the computer programming field?
<bot>: You can find many free online courses to boost your knowledge in the computer programming field on websites such as Coursera, edX, and Udacity. These websites offer courses in various programming languages, such as Java, Python, and JavaScript, among others. Additionally, GitHub offers tutorials, challenges, and open-source code to help with programming education. You can also visit Stack Overflow to access community-generated help and knowledge on coding.