It has a lot of caveats, but this AI text classifier can at least help people determine if what they’re reading was written by a human.
https://www.theverge.com/2023/1/31/23579942/chatgpt-ai-text-detection-openai-classifier
DawsonITE is a blog devoted to Educational Technology. It's compiled by Rafael Scapin, Coordinator of Educational Technology at Dawson College in Montreal (Canada).