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What Amazon Kindle? Here's an Open Source eBook Reader
(itsfoss.com)
This is a most excellent place for technology news and articles.
There are tons of options out there other than Amazon. I just upgraded my original Kindle Paperwhite to a Onyx Boox Page. Paid the same amount as a Kindle Oasis (at least when it isn't on sale), but since it supports Android apps it has so many more uses.