* Update free-courses-en.md
I built this search engine for my own research into software architecture, but I suspect it might be helpful to others.
* Update free-courses-en.md
* Update free-courses-en.md
* [Berkeley's Math 10B: Methods of Mathematics: Calculus, Statistics, and Combinatorics](https://www.youtube.com/view_play_list?p=-XXv-cvA_iCZ8sTG0pDuBubsDfOFoY2X)
* [Berkeley's Math 10B: Methods of Mathematics: Calculus, Statistics, and Combinatorics](https://www.youtube.com/view_play_list?p=-XXv-cvA_iCZ8sTG0pDuBubsDfOFoY2X)
* [Bits: The Computer Science of Digital Information](http://www.extension.harvard.edu/open-learning-initiative/bits)
* [Bits: The Computer Science of Digital Information](http://www.extension.harvard.edu/open-learning-initiative/bits)
* [FindLectures.com](https://www.findlectures.com/?class1=Technology) - Index of conference talks by language / topic
* [LouvainX Paradigms of Computer Programming – Abstraction and Concurrency](https://www.edx.org/course/paradigms-computer-programming-louvainx-louv1-2x-1#!)
* [LouvainX Paradigms of Computer Programming – Abstraction and Concurrency](https://www.edx.org/course/paradigms-computer-programming-louvainx-louv1-2x-1#!)
* [LouvainX Paradigms of Computer Programming – Fundamentals ](https://www.edx.org/course/paradigms-computer-programming-louvainx-louv1-1x-1)
* [LouvainX Paradigms of Computer Programming – Fundamentals ](https://www.edx.org/course/paradigms-computer-programming-louvainx-louv1-1x-1)