These are snippets from various talks, presentations, and blogging I done over the years.
MQTT A Client & Broker in Pharo Smalltalk
Video - Scratch(ing) the Apple, STIC 2011
Video - GStreamer and Sophie at ESUG 2010
PDF on Garbage Collection in Smalltalk, ESUG 2006
Squeak Garbage Collection, ESUG 2005
Source
Vintage Scratch on iOS as shipped to the Store
Clone of Scratch in the Japan iOS Store
Squeak/Cuis on the iPhone updated for 2018