[Bayes7]

Check out sioyek, it’s great and can open epubs like normal pdfs:

https://sioyek.info/ https://github.com/ahrm/sioyek

[flobosg]

Sioyek uses the MuPDF engine, which supports EPUB: https://mupdf.com/

[Ringz]

I stumbled over it but didn’t installed it because the website doesn’t mention the ebook functionality.

“Sioyek is a PDF viewer with a focus on technical books and research papers”

[zeke_the_cat]

Nightmarish with a tablet.