In case you would be interested in being part of it, it still is possible to subscribe. The courses are free, and the access to the site is public: https://learn.canvas.net/courses/191
Having subscribed since the start, I can say the courses are very well done and that the quality and the size of the documentation are impressive.
Link to subscribe: https://www.canvas.net/courses/general-semantics-an-approach-to-effective-language-behavior
La sémantique générale pour tous
Pour une économie non-aristotélicienne