Did you know you can browse #DrmFree eBooks directly on Kobo?
(They seem to have buried the link nowadays, but it still works)
USA
https://www.kobo.com/us/en/p/drm-free
UK
https://www.kobo.com/gb/en/p/drm-free
Canada
https://www.kobo.com/ca/en/p/drm-free
France
https://www.kobo.com/fr/fr/p/drm-free
etc.
To get your local version, click on any of the links above and choose your country and language at the top of the screen (where the flag is).
(via @[email protected])
See also DRM-free Kobo search: