NeoJSON is an elegant and efficient standalone Smalltalk framework to read and write JSON converting to or from Smalltalk objects.
MIT Licensed.
Go ahead and read the NeoJSON paper.
Basically, NeoJSONWriter is used to write a JSON representation of Smalltalk objects to a textual stream. Similary, NeoJSONReader is used to parse a JSON representation from a textual stream into Smalltalk objects.
http://www.json.org https://en.wikipedia.org/wiki/JSON
You can load NeoJSON using Metacello
Metacello new
repository: 'github://svenvc/NeoJSON/repository';
baseline: 'NeoJSON';
load.
You can use the following dependency from your own Metacello configuration or baseline
spec baseline: 'NeoJSON' with: [ spec repository: 'github://svenvc/NeoJSON/repository' ].