I get mine from ebooks.com
Not all are DRM free, though, but there’s a good selection available. It’s up to the author/publisher whether to release them DRM-free, though, so it’s not their choice.
For the DRM-free ones, you can just straight-up download the epub for them which is fantastic.






























Seems like they’re creating a new account per post now.
Suggestions (keep in mind I don’t know the technical viability of these):