I am the developer of Sporth. It's nice to see this project listed here. Happy to answer any questions here or on GH.

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Here are some Sporth links, for those interested:

The main Sporth project page:

http://paulbatchelor.github.io/proj/sporth

Sporthlings: a collection of Sporth compositional etudes:

http://paulbatchelor.github.io/sporthlings/

Sporthlings audio as a youtube playlist:

https://www.youtube.com/playlist?list=PLgEE92LPHEljTLN9gFZr2...

The Sporth Cookbook: documentation on Sporth, as well as some analysis of Sporth patches:

http://paulbatchelor.github.io/proj/cook/