You can learn web development at Harvard University for free.
The course covers:
1. Git
2. HTML, CSS
3. Flask
4. SQL
5. APIs
6. JavaScript
Link: https://online-learning.harvard.edu/course/cs50s-web-programming-python-and-javascript
The course covers:
1. Git
2. HTML, CSS
3. Flask
4. SQL
5. APIs
6. JavaScript
Link: https://online-learning.harvard.edu/course/cs50s-web-programming-python-and-javascript
Introduction to Computer Science and Programming in Python.
From MIT. For free.
For those who are looking for a more structured approach to learn Computer Science and Python, you get:
• Video Lectures
• Interactive Assessments
• Assignments
https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-0001-introduction-to-computer-science-and-programming-in-python-fall-2016/
From MIT. For free.
For those who are looking for a more structured approach to learn Computer Science and Python, you get:
• Video Lectures
• Interactive Assessments
• Assignments
https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-0001-introduction-to-computer-science-and-programming-in-python-fall-2016/
Learn Basics of Linux by Linux Foundation in Free.
"introduction to Linux"
Link
https://www.classcentral.com/course/edx-introduction-to-linux-1857
"introduction to Linux"
Link

https://www.classcentral.com/course/edx-introduction-to-linux-1857
You can learn "Algorithms -1" by Princeton University via Coursera.
There are 2 part of this course.
Part I: covers elementary data structures, sorting, and searching algorithms.
Link
https://www.classcentral.com/course/algs4partI-339
There are 2 part of this course.
Part I: covers elementary data structures, sorting, and searching algorithms.
Link

https://www.classcentral.com/course/algs4partI-339
You can learn "Algorithms -2" by Princeton University via Coursera.
There are 2 part of this course.
Part II: focuses on graph- and string-processing algorithms.
Link
https://www.classcentral.com/course/algs4partII-340
There are 2 part of this course.
Part II: focuses on graph- and string-processing algorithms.
Link

https://www.classcentral.com/course/algs4partII-340