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.
Dot Physics on MSN

Illustrating physics problems with Web VPython in Python

Illustrating physics problems with Web VPython in Python. Learn how to build clear 3D visualizations for motion and forces, and bring physics concepts to life with interactive animations and simple ...
GitHub

Experiment Classes and Objects

To teach the basics of Classes and Objects in python using an interactive simulator. Initially, we have a task that will help user to recall his knowledge about Classes and Objects and then an ...
IEEE

Dilated-Scale-Aware Category-Attention ConvNet for Multi-Class Object Counting

Abstract: Object counting aims to estimate the number of objects in images. The leading counting approaches focus on single-category counting tasks and achieve impressive performance. Nevertheless, ...