Anyone that politically aligns with them. They say that explicitly:

> We support individuals, collectives, communities and groups whose political and social activities fit within this worldview and who share with us some fundamental principles: anti-fascism, anti-racism, anti-sexism, anti-militarism

They don't receive any money for this. It's 100% volunteer services.

Obviously not to fascists, and if you look at their website they make it very clear that you need to align ideologically and explain why and how you will use their services