Based on our record, calibre seems to be a lot more popular than K2PDFOPT. While we know about 546 links to calibre, we've tracked only 2 mentions of K2PDFOPT. 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.
Maybe try converting the PDF with K2pdfopt - you can find it here https://willus.com/k2pdfopt/ . Forgive its looks, it’s extremely good for this kind of thing. Once the pdf is nicely formatted, you can put it into calibre and convert it to a mobi there, just make sure to customise the conversion in calibre to not add any extra margins by going to page setup and changing the margins to -1, this tells calibre to... Source: about 1 year ago
Ecasound: http://nosignal.fi/ecasound/ Mixer4 (closed source, though): http://www.acousticrefuge.com/mixer4.htm Edbrowse: http://edbrowse.org/ K2pdfopt: https://willus.com/k2pdfopt/. - Source: Hacker News / about 3 years ago
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 / 13 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 / 13 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
PaperScan - PaperScan Scanner Software is a powerful TWAIN & WIA scanning application centered on one idea: making document acquisition an unparalleled easy task for anyone.
Amazon Kindle - Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and...
Pocket Scanner - Pocket Scanner is the best app for quickly scanning documents to JPEGs or multi-page PDFs.
FBReader - FBReader is an e-book reader for various platforms. Features:
Scandoc - Scandoc is an advanced pdf scanner application that helps to scan documents from a mobile camera, store pdf with watermarks or signatures across smartphones and tablets.
Calibre Web - Calibre Web is a web app providing a clean interface for browsing, reading and downloading eBooks...