polar-bookshelf

by burtonator

burtonator / polar-bookshelf

Polar is a personal knowledge repository for PDF and web content supporting incremental reading and ...

4.1K Stars 227 Forks Last release: 6 days ago (v2.0.53) GNU General Public License v3.0 8.2K Commits 130 Releases

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Polar Bookshelf



Polar is personal knowledge repository which supports advanced features like incremental reading, annotation, comments, and spaced repetition. It supports reading PDF, EPUB, and the web content.

Features

  • PDF support We have first-class PDF support thanks to PDF.js. PDFs work well when reading content in book format or when reading scientific research which is often stored as PDF.

  • EPUB support Add any EPUB and we also capture web content to EPUB/

  • Captured Web Pages Download HTML content and save them as offline documents which can be annotated.

  • Pagemarks Easily keep track of what you're reading and the progress of each document.

  • Text Highlights Highlight text in PDF and web pages.

  • Area Highlights Capture a region of the page as a highlight which can be a chart, figure, infographic, etc.

  • Portable Run across any platform.

    Linux
    ,
    MacOS
    , and
    Windows
    supported.

Downloads

Packages for Windows, MacOS, and Linux are available on the downloads page.

We also have a CHANGELOG available if you're interested into what went into each release.

Discussion

We have both a Discord group and Reddit group if you want to discuss Polar.

If it's a very technical issue it might be best to create a Github Issue.

Contributors

This project exists thanks to all the people who contribute.

Sponsors

Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [Become a sponsor]

License

Polar is distributed under the GPLv3.

PDF.js is available under the Apache License. Electron is released under the MIT License. Rest of the code is MIT-licensed.

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