Open Source Amazon Kindle Alternatives

The best open source alternative to Amazon Kindle is calibre. If that doesn't suit you, our users have ranked more than 50 alternatives to Amazon Kindle and 19 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Amazon Kindle are Librera Reader, Foliate, Document Viewer and Cool Reader .

Amazon Kindle alternatives are mainly Ebook Readers but may also be Ebook Libraries or PDF Readers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Amazon Kindle.

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Amazon Kindle

227

Freemium • Proprietary
Ebook Reader

Mac
Windows
Online
Android
Android Tablet
iPhone
iPad

The Kindle app puts millions of books, magazines, newspapers, comics, and manga at your fingertips.

Learn more about Amazon Kindle

calibre
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No
Free • Open Source
Ebook Reader
Ebook Library
Mac
Windows
Linux
Homebrew
PortableApps.com
Flathub
BSD
Self-Hosted
108 alternatives to calibre
Calibre is a free and open source e-book library management application made by users, for users. Many languages, designed around the concept of the logical book, i.e., a single entry in your library that may correspond to actual e-book files in several formats.
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calibre Features
1. Built-in viewercalibre shows you a quick preview of an image, page or file in supported formats.
2. DRM FreeNo Digital rights management (DRM), i.e. no copy protection.
3. Portablecalibre can be used from a USB stick or similar with no prior installation.
4. Ad-freecalibre doesn't contain any form of external advertising.
5. Lightweightcalibre consumes less device resources compared to similar apps.
6. Extensible by Plugins/Extensionscalibre can be extended with add-ons, plugins and extensions.
7. Dark Modecalibre supports dark mode for comfortable usage in low light conditions.
8. Ebook ConversionConvert your ebooks to various formats (PDF, EPUB, MOBI…) and vice-versa with calibre.
9. Works Offlinecalibre can be used without the need to connect to the internet.
Built-in e-Book converter
Book organization
Batch conversion
Library Management
Supports All Ebooks Format
Customizable
E-book management
Book Manager
Edit metadata
Custom cover image
calibre vs Amazon Kindle opinions
Most users think calibre is a great alternative to Amazon Kindle.
Librera Reader
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No
Freemium • Open Source
Ebook Reader
PDF Reader
Ebook Library
Android
Android Tablet
F-Droid
39 alternatives to Librera Reader
Librera Reader is a highly customizable and feature-rich application for reading books in PDF, EPUB, MOBI, DjVu, FB2, TXT, RTF, AZW, AZW3, HTML, CBZ, CBR formats on Android devices.
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Librera Reader Features
1. Ad-freeLibrera Reader doesn't contain any form of external advertising.
2. Text to SpeechLibrera Reader allows you to transform written text into spoken text.
3. LightweightLibrera Reader consumes less device resources compared to similar apps.
4. Dark ModeLibrera Reader supports dark mode for comfortable usage in low light conditions.
5. Privacy focusedLibrera Reader is considered a privacy friendly alternative.
6. Full-Text SearchLibrera Reader lets you search for specific words or phrases from inside a document or database.
7. Works OfflineLibrera Reader can be used without the need to connect to the internet.
Customizable
Auto Scrolling
OPDS Client
Built-in File Manager
Blue light filter
Foliate
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No
Free • Open Source
Ebook Reader
Ebook Library
Text to Speech Service
Linux
FLATHUB
Snapcraft
BSD
38 alternatives to Foliate
A simple and modern eBook viewer for Linux desktops.
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Foliate Features
1. Dark ModeFoliate supports dark mode for comfortable usage in low light conditions.
2. Built-in DictionaryFoliate has a built-in dictionary where you can look up broader definitions of words.
3. Ad-freeFoliate doesn't contain any form of external advertising.
4. Support for ThemesYou can use themes and templates to change the look and feel of Foliate.
5. Works OfflineFoliate can be used without the need to connect to the internet.
6. Full-Text SearchFoliate lets you search for specific words or phrases from inside a document or database.
7. No registration requiredYou can use most of the features in Foliate without registration.
8. Text to SpeechFoliate allows you to transform written text into spoken text.
Text Highlighting
Text annotation
Export annotations
Plain text flows
Flipping pages
Multiple languages
Document Viewer
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No
Free • Open Source
PDF Reader
Ebook Reader
Android
Android Tablet
F-Droid
134 alternatives to Document Viewer
Document Viewer is a highly customizable document viewer for Android, fork of the last GPL version of EBookDroid .
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Document Viewer Features
Customizable
Discontinued
The last version (2.7.4) was released in March 2016.
Cool Reader
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No
Free • Open Source
Ebook Reader
Ebook Library
Linux
Android
Android Tablet
80 alternatives to Cool Reader
Cool Reader is fast and small cross-platform XML/CSS based eBook reader for desktops and handheld devices. Understands a number of text document formats, suppurt OPDS (in new ui-opengl version). Fully customizable palette, text reformatting with any font size, font...
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Cool Reader Features
1. PortableCool Reader can be used from a USB stick or similar with no prior installation.
Interface Overlay
Library Management
KOReader
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No
Free • Open Source
Ebook Reader
PDF Reader
Linux
Android
Kobo
PocketBook Reader
F-Droid
Kindle Fire
Flathub
AppImageHub
34 alternatives to KOReader
KOReader is a document viewer for E Ink devices. Supported fileformats include EPUB, PDF, DjVu, XPS, CBT, CBZ, FB2, PDB, TXT, HTML, RTF, CHM, DOC, MOBI and ZIP files. It’s available for Kindle, Kobo, PocketBook, Android and desktop Linux.
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KOReader Features
1. Built-in DictionaryKOReader has a built-in dictionary where you can look up broader definitions of words.
2. Ad-freeKOReader doesn't contain any form of external advertising.
3. Dark ModeKOReader supports dark mode for comfortable usage in low light conditions.
Wallabag integration
Wikipedia integration
Calibre Web
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Free • Open Source
Ebook Reader
Ebook Library
PDF Reader
Self-Hosted
70 alternatives to Calibre Web
Calibre Web is a web app providing a clean interface for browsing, reading and downloading eBooks using an existing Calibre database.
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Calibre Web Features
OPDS Server
Built-in e-Book converter
Kavita
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No
Free • Open Source
Ebook Reader
Ebook Library
PDF Reader
Mac
Windows
Linux
Self-Hosted
149 alternatives to Kavita
Lighting fast with a slick design, Kavita is a rocket fueled self-hosted digital library which supports a vast array of file formats. Install to start reading and share your server with your friends. book reader, self hosted, manga, comics, free, manhwa, e readers, electronic...
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Kavita Features
1. Dark ModeKavita supports dark mode for comfortable usage in low light conditions.
2. LightweightKavita consumes less device resources compared to similar apps.
Web-Based
Offline Reading
Readarr
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No
Free • Open Source
Self-Hosted
6 alternatives to Readarr
Readarr is an ebook and audiobook collection manager for Usenet and BitTorrent users. It can monitor multiple RSS feeds for new books from your favorite authors and will grab, sort, and rename them. Note that only one type of a given book is supported.
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Readarr Features
Author search
Release Management
Myne (eBook)
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Free • Open Source
Android
F-Droid
51 alternatives to Myne (eBook)
Myne is a FOSS Android application to download ebooks from the Project GutenBerg, it uses GutenDex API to fetch metadata of ebooks in the backend.
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Myne (eBook) Features
1. LightweightMyne (eBook) consumes less device resources compared to similar apps.
Material design
Indexed search