The best free AI courses and certificates for upskilling in 2026 - and I've tried them all

I've worked with AI for decades and have a master's degree in education. Here are the top free AI courses online that I recommend - and why.
GitHub

ryp: R inside Python

running R code inside Python quickly transferring huge datasets between Python (NumPy/pandas/polars) and R without writing to disk interactively working in both languages at the same time ...
IEEE

A real time Implementation of Four Vectors-Space Vector Modulation for Five Phase Indirect Matrix Converter using a low cost microcontroller

Abstract: this work is a study, implementation and experimental validation of Space Vector Modulation technique using four Vectors (4V-SVM) applied to the Five-Phase Indirect Matrix Converter (5P-IMC) ...
GitHub

Mastering Rust for System Programming

To use the notebooks in this repository, you need to set up your environment. Follow these steps to get started: Clone the repository to your local machine: Advantages of Rust over C/C++ for system ...