I'm currently working on a werewolf-themed hack of the indie title Feed (https://www.drivethrurpg.com/product/124387/Feed). Feed was released under Creative Commons Attribution-ShareAlike 3.0 Unported License, so I can legally write spin-offs for it.
Here are my notes: https://docs.google.com/document/d/e/2PACX-1vQP1siwhglssmc2bu82Xx3_nlXkOKsPapbSO36S71heoCo1jfVsnSsbFMOqSjy5mlFhni_DeQrJ6cfS/pub