Enable Cards to access external data streams that can then be displayed in all participating systems in a session. croquet 
The Squeak Connectors were about adding the ability of connecting arbitrary morphs. This is built into Bloc. The #gtoolkit Connecter is a small declarative higher level engine that infers lines and edges based on the nodes that are in a scene. tweet
Squeak Smalltalk Tutorial
YOUTUBE QBRm_hnl7sE squeak smalltalk tutorial: Connectors package by Lawson English
YOUTUBE TsPtwYx93NE Connectors part 2
YOUTUBE H1LveflchAU Connectors part 3