[matteoraggi]

Are there some chatbots easy to instruct without need to be a developer?
I mean for example a responsive simple web UI that permit to instruct the chatbot in a human way, without need  to be a developer?

[squarebear]

Yes. www.pandorabots.com is ideal for that.

[braveheartul]

you can try Eveline also         http://artificial.duckdns.org/eveline.php