Green Ronin Rejects the GSL
Green Ronin Publishing , publishers of “True20” and “A Song of Fire and Ice” rpgs rejected the GSL license offered by “Wizards of the Coast.” You can read their full statement here .
I am not surprised, the GSL is all stick and no carrot. The potential financial and legal consequences are huge for violating the GSL, but all you get in return is access to 4E. It is far safer to use your own system or stick with the OGL.
Trask, The Last Tyromancer