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 ...
IEEE

Automated Testing for Service-Oriented Architecture: Leveraging Large Language Models for Enhanced Service Composition

Abstract: This article explores the application of Large Language Models (LLMs), including proprietary models such as OpenAI’s ChatGPT 4o and ChatGPT 4o-mini, Anthropic’s Claude 3.5 Sonnet and Claude ...

I tried Gemini's 'scheduled actions' to automate my AI - the potential is enormous (but Google has work to do)

Here's what you can and cannot automate today via Gemini, including 15 ideas to use as starting points - and a bonus banana in a raincoat with an umbrella.
GitHub

An automated trading system that implements vertical spread trading strategies using Interactive Brokers (IBKR) API. The system scans for specific technical patterns, selects ...

The system is designed to identify technical patterns in equities, select optimal vertical spreads based on configurable criteria, and execute trades with proper risk management controls. python/ ...