Here’s a list of learning resources I usually provide when running our inhouse courses:
David Rutten Videos
https://vimeo.com/channels/basicgh
https://vimeo.com/channels/datatreegh
The Modelab Grasshopper Primer
http://grasshopperprimer.com/en/index.html
http://www.liftarchitects.com/blog/2009/3/25/grasshopper-primer-english-edition (legacy version)
O’Reilly Course (Luis Fraguada from McNeel)
http://shop.oreilly.com/product/0636920051985.do
Essential Mathematics/Algorithms Primers
https://developer.rhino3d.com/guides/general/essential-mathematics
https://www.rhino3d.com/download/rhino/6.0/essential-algorithms
https://www.youtube.com/playlist?list=PLWIvZT_UEpWW6Kgq8mxOgliGBFHhrI4mK
Andrew Heumann Content
https://www.youtube.com/playlist?list=PL0D5Ey-kk6E25jFAYO1WeZubBpzCnZ2iU
https://www.youtube.com/playlist?list=PL0D5Ey-kk6E1aPk0Lnm-fY2l6MAaFXMqN
https://www.youtube.com/watch?v=Z6Pb-ScLpFI&ab_channel=YourDeskUniversity
https://runxel.github.io/rhino-secrets/files/Data-Trees-by-Andrew-Heuman.pdf
Harvard GSD-6338 (Jose Luis Garcia del Castillo)
https://www.youtube.com/playlist?list=PLvxxYImPCApUXhX3te3IK32ileXHpzKY4
Think Parametric
https://thinkparametric.com
Parametric House
https://www.youtube.com/channel/UCjLDKM9EzNdASaNdjBhTqug
The McNeel Discourse
https://discourse.mcneel.com/c/grasshopper
The Defunct Grasshopper Forum
https://www.grasshopper3d.com/