Librera Reader

Librera Reader

Librera Reader is an open source ebook reader application for Android. It supports a wide variety of ebook formats and has extensive customization options for fonts, themes, margins, and more.
Librera Reader image
ebook epub pdf reader android open-source

Librera Reader: Open Source Ebook Reader for Android

Librera Reader is an open source ebook reader application for Android. It supports a wide variety of ebook formats and has extensive customization options for fonts, themes, margins, and more.

What is Librera Reader?

Librera Reader is a highly customizable, open source ebook reader application for Android devices. It is designed to provide an efficient reading experience and support for a wide variety of ebook formats.

Some key features of Librera Reader include:

  • Support for common ebook formats such as EPUB, MOBI, PDF, DjVu, FB2, CBR, and more
  • Customizable reading settings and themes - adjust font type and size, margins, brightness, page turning animations, etc.
  • Night mode for comfortable reading in low light
  • Bookmarking, highlights, notes, and dictionary lookup
  • Cloud storage integration for syncing ebooks and progress across devices
  • Wikipedia integration to easily look up information while reading
  • Batch ebook conversion between formats
  • Text-to-speech support

With an intuitive, user-friendly interface, extensive format support, and deep customizability, Librera Reader aims to provide the best reading experience across a diverse ebook library.

Librera Reader Features

Features

  1. Supports a wide variety of ebook formats including EPUB, PDF, DJVU, FB2, MOBI, CBR and CBZ
  2. Customizable reading experience with options for fonts, text size, colors, margins, etc
  3. Annotations and highlights
  4. Dictionary support
  5. Bookmarks management
  6. Reading progress sync across devices
  7. Night mode
  8. Text-to-speech
  9. Download books from online catalogs
  10. Supports local library management

Pricing

  • Open Source

Pros

Free and open source

Highly customizable

Supports many formats

Good reading experience

Active development

Cons

Lacks some features of proprietary apps like Kindle

UI could be more intuitive

Sync could be improved

PDF rendering not perfect


The Best Librera Reader Alternatives

Top Education & Reference and Ebook Readers and other similar apps like Librera Reader


SumatraPDF icon

SumatraPDF

SumatraPDF is a free and open-source document viewer that supports many file formats. It was originally designed as a replacement for the Windows PDF reader while being much lighter, faster, and more customizable.Some key features of SumatraPDF include:Support for PDF, EPUB, MOBI, CHM, XPS, DjVu, CBZ, CBR file formatsMinimal design...
SumatraPDF image
Moon+ Reader icon

Moon+ Reader

Moon+ Reader is a popular ebook reading app developed for the Android platform. It supports a wide variety of ebook file formats including EPUB, MOBI, AZW, PDF, DjVu, and more. Some of the key features of Moon+ Reader include:Multiple theme options - Choose from a variety of color themes and...
Moon+ Reader image
ReadEra icon

ReadEra

ReadEra is a versatile ebook and PDF reader available on multiple platforms including Windows, macOS, Linux, iOS and Android. It supports a wide range of ebook formats such as EPUB, MOBI, DJVU, FB2, PDF, and others.Key features of ReadEra include:Annotations and highlights - Add notes, highlights, bookmarks to any ebook...
ReadEra image
Amazon Kindle icon

Amazon Kindle

The Amazon Kindle is a series of e-readers designed and marketed by Amazon. The Kindle devices allow users to browse, buy, download, and read e-books, newspapers, magazines and other digital media via wireless networking to the Kindle Store. The hardware platform, which Amazon subsidiaries develop and manufacture, consists of devices...
Amazon Kindle image
Calibre icon

Calibre

Calibre is a free and open-source e-book computer software application suite which runs on multiple platforms, allows users to manage e-book collections as well as create, edit, and read e-books. It supports a variety of e-book formats.Some key features of Calibre include:Library management for organizing e-books into custom categories and...
Calibre image
Xodo icon

Xodo

Xodo is a feature-rich PDF reader and annotator that allows you to view, edit, sign, share and collaborate on PDF documents across devices and platforms. It is offered as a free app for Windows, Linux, Android, iOS and as a web app that works in all major browsers.Some of the...
Xodo image
EPUB Book Translator icon

EPUB Book Translator

EPUB Book Translator is a free, easy-to-use EPUB conversion software that allows you to convert your EPUB files into a variety of popular formats including MOBI, PDF, HTMLZ, TXT, PDB and more. It provides bulk conversion capabilities so you can convert multiple EPUB files at once.One of the best things...
EPUB Book Translator image
PocketBook Reader icon

PocketBook Reader

PocketBook Reader is a multi-platform e-book reading app that gives you access to your personal e-book library from any device. It is compatible with Windows, macOS, iOS, Android and more.Some key features of PocketBook Reader include:Support for major e-book formats like EPUB, PDF, DJVU, FB2, DOC and moreSync your reading...
PocketBook Reader image
Aldiko icon

Aldiko

Aldiko is a popular eBook reading app developed specifically for Android devices. It provides an efficient way to download, organize, and read eBooks right on your Android smartphone or tablet.Some key features of Aldiko include:Support for EPUB and PDF eBook formats. It easily downloads free eBooks from public libraries and...
Aldiko image
MuPDF icon

MuPDF

MuPDF is an open source software library and set of tools for rendering PDF documents. Developed by Artifex Software, MuPDF is designed to be lightweight, fast, and efficient.As a PDF viewer, MuPDF allows users to quickly open and scroll through PDF files while using minimal system resources. It renders PDF...
MuPDF image
Storyteller icon

Storyteller

Storyteller is an open-source tool for authoring and running business acceptance tests. It allows users to write their requirements and acceptance criteria in a simple, non-technical format that reads like plain English.With Storyteller, you write executable specifications, called 'stories', that describe the behavior your system needs to have. These plain-language...
Storyteller image
EPUBReader icon

EPUBReader

EPUBReader is a versatile, open-source ebook reader application capable of reading books in the EPUB file format on Windows, Mac, and Linux operating systems. Developed by a community of volunteers, EPUBReader focuses on providing an intuitive user interface for managing and reading digital book libraries.One of the highlights of EPUBReader...
EPUBReader image
Foliate icon

Foliate

Foliate is an open-source eBook reader application designed specifically for the Linux operating system. It aims to provide a simple, yet functional ebook reading experience with support for common ebook formats.Some key features of Foliate include:Support for popular ebook formats like EPUB, MOBI, PDF, CBZ, CBR, and moreFull-text search allowing...
Foliate image
Epubor Ultimate icon

Epubor Ultimate

Epubor Ultimate is a versatile ebook DRM removal and ebook conversion tool for Windows and Mac. It can remove DRM protection from Kindle (.azw, .azw3, .kf8, .kfx, .mobi, .pdr, .tpz, .azw1, .azw4, .prc, .topaz), Adobe (.pdf, .epub, .epub3), Nook (.epub, .epub3), Kobo (.kepub, .kepub.epub) and Google Play Books (.epub, .epub3)...
Epubor Ultimate image
FBReader icon

FBReader

FBReader is a free, open source ebook reader software available across platforms including Windows, Linux, Android and iOS. Originally developed for Linux, it has expanded over the years to support many major computing platforms.FBReader's key features include support for a wide variety of popular ebook formats including EPUB, MOBI, FB2,...
FBReader image
Epic! icon

Epic!

Epic! is a leading digital library designed specifically for kids ages 12 and under. With over 35,000 high-quality books, audiobooks, videos and quizzes, Epic! fosters literacy and learning in a fun, safe and advertising-free environment.Epic! can be used by kids independently or together with parents and teachers. The ever-expanding library...
Epic! image
EBookDroid icon

EBookDroid

EBookDroid is a free, open source document viewer application for Android devices. It enables users to easily read ebooks, PDFs, DjVu documents, XPS files, FB2 ebooks, and EPUB files on their Android phone or tablet.Some key features of EBookDroid include:Support for common ebook and document formats like PDF, EPUB, DjVu,...
EBookDroid image
KOReader icon

KOReader

KOReader is an open source document viewer and ebook reader application originally created for Kindle e-readers. It has since expanded support to other e-ink devices such as Kobo, PocketBook, Onyx Boox, and Android tablets.Some key features of KOReader include:Support for a wide variety of ebook formats including EPUB, MOBI, FB2,...
KOReader image
Document Viewer icon

Document Viewer

A document viewer is an application program that enables users to open, view, and print documents in various file formats like PDF, Microsoft Word, Excel, PowerPoint, images, HTML pages, text files etc. It is an essential productivity software used across businesses and homes.Key features of a good document viewer include:Support...
Document Viewer image
Kavita icon

Kavita

Kavita is an open-source web application designed for managing and reading digital comic book libraries. It provides an intuitive interface for browsing, organizing, and accessing your comics from any device with a web browser.Some key features of Kavita include:Automatic processing and metadata retrieval for added comic files and foldersCustomizable library...
Kavita image
Aquile Reader icon

Aquile Reader

Aquile Reader is a free, open source eBook reader and management software available for Windows, Mac, Linux, Android, and iOS. It allows you to easily organize, manage, and read your collection of eBooks.Some key features of Aquile Reader:Supports common eBook formats including EPUB, MOBI, PDF, CBZ, CBR, etc.Manages eBook library...
Aquile Reader image
Lithium: EPUB Reader icon

Lithium: EPUB Reader

Lithium is a free, open-source ebook reader application designed specifically for reading EPUB format ebooks. It is available on Windows, macOS, and Linux operating systems.Lithium provides an ad-free, distraction-free reading environment that allows you to easily open and library EPUB files on your computer. It has support for important reading...
Lithium: EPUB Reader image
Koodo Reader icon

Koodo Reader

Koodo Reader is a popular multi-platform eBook reading app that allows users to easily read eBooks on their preferred device. It is available on Android, iOS, Windows, and macOS operating systems.Some key features of Koodo Reader include:Supports major eBook formats including EPUB, MOBI, and PDFAllows uploading eBooks from computer or...
Koodo Reader image
Google Docs Viewer icon

Google Docs Viewer

Google Docs Viewer is a free web-based tool from Google that allows you to view a wide variety of document file types directly in your web browser without needing to have the application used to create them installed on your computer.With Google Docs Viewer, you can view, print and download...
Google Docs Viewer image
Kuro Reader icon

Kuro Reader

Kuro Reader is a free, open-source eBook reader application developed by Nico Burr. It is designed to be a lightweight, customizable, and easy-to-use eBook reading application for Windows and Linux operating systems.Some of the key features of Kuro Reader include:Support for all major eBook formats including EPUB, MOBI, AZW, PDF,...
Kuro Reader image
Google PDF Viewer icon

Google PDF Viewer

Google PDF Viewer is a free web-based tool that allows users to view PDF files directly in their web browser without needing to install any additional software or plug-ins. It is powered by Google's advanced document rendering technology that converts PDF files into HTML5 so they can be displayed properly...
Google PDF Viewer image
Citadel Ebook Manager icon

Citadel Ebook Manager

Citadel Ebook Manager is an open-source application for organizing personal ebook libraries. It provides users with the ability to catalog, search, and manage their digital book collections with custom tags, ratings, covers, descriptions, and other metadata.Some key features of Citadel include:Adding ebooks by monitoring folders or importing previously downloaded ebooksTagging...
Citadel Ebook Manager image
MJ PDF Reader icon

MJ PDF Reader

MJ PDF Reader is a free PDF viewer for Windows that provides a lightweight yet full-featured alternative to Adobe Acrobat Reader. Developed by Software995, it aims to balance functionality, speed, and ease of use.Some key features of MJ PDF Reader include:Tabbed document interface for opening multiple PDFsFast page loading and...
MJ PDF Reader image
Bookari Ebook Reader icon

Bookari Ebook Reader

Bookari Ebook Reader is a versatile, multi-platform ebook reading application. As an open-source software, Bookari emphasizes flexibility, customization and user control over the reading experience.Bookari's intuitive interface allows for seamless library organization with support for books in EPUB, MOBI, PDF, DJVU, FB2, CHM and various other text and image formats....
Bookari Ebook Reader image
WinDjView icon

WinDjView

WinDjView is a free, open source DjVu viewer and browser plugin for Windows. It enables reading DjVu documents and provides smooth navigation between pages. WinDjView is focused on being a lightweight, fast DjVu reader and takes little system resources.Key features of WinDjView include:Smooth scrolling, zooming, text selection and searching in...
WinDjView image
Librum icon

Librum

Librum is an open source ebook library management application designed for managing personal ebook collections and integrating with popular e-reading devices and software. Developed using Python and PyQt, Librum provides an intuitive way to catalog, organize, and access your ebooks from a single user interface.With Librum, users can add books...
Librum image
Pdf Viewer Plus icon

Pdf Viewer Plus

Pdf Viewer Plus is a free, versatile PDF reader, editor, and annotation tool for Windows. It provides a tabbed interface to open multiple PDFs simultaneously for easy multitasking.Key features of Pdf Viewer Plus include:Intuitive PDF reader with smooth scrolling, search, bookmarks and thumbnail viewEdit PDF text, images, links, pages -...
Pdf Viewer Plus image
Secure PDF Viewer icon

Secure PDF Viewer

Secure PDF Viewer is a free, open-source program for securely viewing PDF documents.Unlike standard PDF viewers, Secure PDF Viewer opens PDF files in a sandboxed environment to prevent the execution of malicious scripts or code that may exist inside the PDF file. This helps mitigate attacks where a harmful PDF...
Secure PDF Viewer image
Openlib icon

Openlib

Openlib is an open source software designed for building and managing digital libraries and archives. Developed by the Open Library Foundation, Openlib provides a flexible framework for ingesting, organizing, curating, preserving and providing access to digital collections.Some key features of Openlib include:Flexible, extensible metadata architecture supporting common metadata standardsTools and...
Openlib image
SourcePDF icon

SourcePDF

SourcePDF is an free and open-source PDF editor available for Windows, Mac and Linux operating systems. It provides a wide range of PDF editing and manipulation capabilities to enable both individual and business users to work effectively with PDF documents.With SourcePDF, users can view, edit, annotate, sign, fill forms and...
SourcePDF image
Lector Ebook Reader icon

Lector Ebook Reader

Lector Ebook Reader is an open-source, cross-platform ebook reading application built with Python and Qt. It is designed to provide a simple, yet highly customizable interface for reading ePub format ebooks.Some key features of Lector include:Support for ePub files - It can open non-DRM protected ePub files, with basic support...
Lector Ebook Reader image
MReader icon

MReader

MReader is a feature-rich yet easy to use RSS reader and news aggregator application for Windows. It enables you to subscribe to your favorite websites and blogs and read their latest articles in one convenient app instead of visiting multiple websites.Some of the key features of MReader include:Support for all...
MReader image
Reasily icon

Reasily

Reasily is a no-code development platform that empowers anyone to build custom web and mobile applications without writing code. Its intuitive drag-and-drop interface makes it easy for non-technical users to automate workflows and processes, integrate data sources, and create customized user interfaces.With Reasily, you can quickly build internal tools, customer...
Reasily image
Lektz eBook Reader icon

Lektz eBook Reader

Lektz eBook Reader is a versatile, customizable ebook reading app for Windows, Linux and macOS. As an open-source alternative to apps like Kindle or iBooks, Lektz gives you control over the reading experience while supporting all major ebook formats.At its core, Lektz provides an efficient interface for accessing and reading...
Lektz eBook Reader image
BookBox Reader icon

BookBox Reader

BookBox Reader is a free, open source eBook reader application designed specifically for children and language learners. It provides an accessible reading experience for all levels with features like text-to-speech support, dictionary look-ups, text magnification, dyslexia-friendly fonts, and more.With BookBox Reader, users can open PDFs, EPUBs, MOBI, FB2 and other...
BookBox Reader image