I am using NM or NMI a shorcuts of my name bacause one is already taken here, the other is already taken in Squeaksource. It is confusing, I know, I will try to clean it in a second moment.
I discovered Squeak/Smalltalk by chance, and only in summer 2019.
It is a very different way of thinking about computer programming respect to what I was used to.
Making long code strings, a tutorial showing how to make easily long code strings even if the Smalltalk language does not provide an HEREDOC construct, nor anything else specific for long strings.
Distributing your application, a tutorial showing the step you need to do to slim-up your app and run it on other operating systems.
Secret of Mandalas, an introduction on how Mandala figures are built and the Smalltalk code to create them from scratch.