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

Kling AI Referral Code: Get 50% Free Extra Credits

Use Kling AI referral code 7BPNSXVCR8FL for 50% extra credits when purchasing a plan. The Kling AI referral code 7BPNSXVCR8FL is the key to unlocking 50% bonus credits on your subscription. Applying ...
insideHPC

Argonne, MIT Using Open-Source Code for Nuclear and Fusion Energy Research

The award winning OpenMC software package is helping researchers at Argonne National Laboratory and the Massachusetts ...

Best Free AI Training Courses for Vibe Coding in January 2026

Here are the top online courses and materials to help you craft an app with AI powering the actual code creation.