Disabled and Here collection - In the words of the site "This is a disability-led effort to provide free & inclusive stock images from our own perspective, with photos and illustrations celebrating disabled Black, Indigenous, people of color (BIPOC).
Gender Spectrum Collection (The Gender Spectrum Collection is a stock photo library featuring images of trans and non-binary models that go beyond the clichés. This collection aims to help media better represent members of these communities as people not necessarily defined by their gender identities—people with careers, relationships, talents, passions, and home lives. Read Guidelines and Creative Commons license.)
World Obesity Image Bank - Combating weight bias in the media. Positive images of people who have a range of body sizes. (Images are free to use but must credit the World Obesity Federation upon use and Agree to the Terms of Use.)