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.
IEEE

Advanced RESTful API Testing: Leveraging Newman's Command-Line Capabilities with Postman Collections

Abstract: The development of RESTful APIs as modern web services needs a testing to ensure their reliability and performance. Postman has established itself as a premier tool for API development and ...

Testing AI-Infused Applications: Strategies for Reliable Automation

AI is transforming the software landscape, with many organizations integrating AI-driven workflows directly into their ...

Google Antigravity : Build Smart Flows Without Code Using Google’s IDE

Build no-code flows in Google's Antigravity with trigger.dev, including queue monitoring. Set schedules, debug in real time, ...