Based on our record, calibre seems to be a lot more popular than Instapaper. While we know about 546 links to calibre, we've tracked only 2 mentions of Instapaper. 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
Instapaper is a bit simpler to use than pocket. It has a straightforward user interface and it will accept most forms of online content that you throw at it. - Source: dev.to / over 2 years ago
Here's my workflow: I open the email, scan the list, save the links that look interesting to me in my Instapaper, and delete the email. Later, when I have time to read, I go ahead and read the saved articles in Instapaper. - Source: dev.to / over 2 years ago
Amazon Kindle - Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and...
Pocket - When you find something you want to view later, put it in Pocket.
FBReader - FBReader is an e-book reader for various platforms. Features:
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Calibre Web - Calibre Web is a web app providing a clean interface for browsing, reading and downloading eBooks...
wallabag - Save the web, freely.