Fudge uses OGL, which is the topic under discussion. https://www.fudgerpg.com/about/about-fudge/fudge-ogl-requirements.html https://www.fudgerpg.com/about/abou

Fudge uses OGL, which is the topic under discussion. https://www.fudgerpg.com/about/about-fudge/fudge-ogl-requirements.html https://www.fudgerpg.com/about/about-fudge/fudge-ogl-require... PF 2.0 also uses OGL: https://www.reddit.com/r/Pathfinder2e/comments/104wjuo/why_did_pf2e_get_published_under_ogl_10a_anyway/ https://www.reddit.com/r/Pathfinder2e/comments/104wjuo/why_d...