I work at a non-profit organization and part of our mission is exactly this. You can find more details here: https://indieauthorproject.com/
Another part of our mission is providing libraries an open source ebook and audiobook reader called Palace. Our project is on GitHub here https://github.com/thepalaceproject.
Another part of our mission is providing libraries an open source ebook and audiobook reader called Palace. Our project is on GitHub here https://github.com/thepalaceproject.