Based on our record, calibre seems to be a lot more popular than Okular. While we know about 546 links to calibre, we've tracked only 44 mentions of Okular. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Kobos[1] and Pocketbooks[2] are a lot more open than Kindles. AFAIK you can transfer .epub files into both devices and these epubs are perfectly readable via the stock OS. If for some reason you find the stock proprietary OS lacking, you can install an open source one like KOreader [3] or Plato[4] Of course you want a good way of organizing epubs pdfs mobi, and like has already been mentioned Calibre[5] is a great... - Source: Hacker News / 14 days ago
You can manage the files with Calibre[1] and sync them onto an e-reader like the Kobo with a click. [1] https://calibre-ebook.com/. - Source: Hacker News / 14 days ago
Not to be confused with Calibre, the excellent ebook software by Kovid Goyal: https://calibre-ebook.com/. - Source: Hacker News / 4 months ago
Glad you were able to fix it, but what about trying Calibre? It is free and makes it easy to adjust things, add info, and change front covers. Source: 5 months ago
Or using Calibre (pdf or azw3) https://calibre-ebook.com. Source: 5 months ago
If you mean signing as in "signing with your handwritten signature", you could use Okular () which easily allows you to do that. Filling out forms also works nicely. Source: 5 months ago
I was in a similar position lately until I found Okular. Have you tried it? https://okular.kde.org/. - Source: Hacker News / 8 months ago
I would try Okular first, though, which is free and open source: https://okular.kde.org/. Source: 11 months ago
KDE's okular might be a good choice. I haven't personally used it for epub but I know it supports it. https://okular.kde.org/. - Source: Hacker News / 11 months ago
I use okular, don't think it has web export though. Source: about 1 year ago
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