Librera Reader
Librera Reader is a free, open-source reading app for Android. Librera Reader is a highly customizable and feature-rich application for reading e-books in PDF, EPUB, MOBI, DjVu, FB2, TXT, RTF, AZW, AZW3, HTML, CBZ, CBR, DOC… It has 4,885 GitHub stars and is released under the GPL-3.0-or-later license, and you can install it from F-Droid and Google Play.
About Librera Reader
Librera Reader is a highly customizable and feature-rich application for reading e-books in PDF, EPUB, MOBI, DjVu, FB2, TXT, RTF, AZW, AZW3, HTML, CBZ, CBR, DOC, DOCX, formats. With its intuitive, yet powerful, interface, Librera makes ebook reading a veritable pleasure. It even features a unique auto-scrolling, hands-free Musician's mode, with controllable speed. F-Droid version is based on the latest MuPDF and support Android 4.1+. The only difference between Librera FD (F-Droid) and Librera PRO is the absence of Google Play services and Google Drive book synchronization in Librera FD.
Privacy and F-Droid
F-Droid builds Librera Reader from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.
No anti-features flagged on the latest F-Droid build.
Screenshots
Screenshots from the app's F-Droid listing.
Similar apps
More open-source e-book, PDF and RSS readers
KOReader
koreader/koreader
An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices.
E-book, PDF & RSS readersAndroidAnx Reader
Anxcye/anx-reader
A thoughtfully crafted e-book reader for book lovers.
E-book, PDF & RSS readersAndroidiOSPixiv Shaft
CeuiLiSA/Pixiv-Shaft
PixShaft (Shaft) is an open-source third-party Pixiv client for Android — illustrations, manga, novels, rankings, FANBOX and pixiv COMIC, all in one app.
E-book, PDF & RSS readersAndroid
NewsBlur
samuelclay/NewsBlur
NewsBlur is a personal news reader that brings people together to talk about the world.
E-book, PDF & RSS readersAndroidiOS
Read You
ReadYouApp/ReadYou
A modern and elegant RSS reader with Material You design.
E-book, PDF & RSS readersAndroid
Voice Audiobook Player
PaulWoitaschek/Voice
A clean audiobook player for your own files, with sleep timer and bookmarks.
E-book, PDF & RSS readersAndroid
What is Librera Reader?
Librera Reader is a free, open-source reading app for Android. Librera Reader is a highly customizable and feature-rich application for reading e-books in PDF, EPUB, MOBI, DjVu, FB2, TXT, RTF, AZW, AZW3, HTML, CBZ, CBR, DOC… It has 4,885 GitHub stars and is released under the GPL-3.0-or-later license, and you can install it from F-Droid and Google Play.
Is Librera Reader free and open source?
Yes. Librera Reader's source code is public on GitHub under the GPL-3.0-or-later license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.
How do I install Librera Reader?
You can install Librera Reader from F-Droid (package com.foobnix.pro.pdf.reader) and from Google Play; the links are on this page. Its GitHub repository also publishes releases (latest: 9.6.39).
Is Librera Reader still maintained?
The repository's most recent commit was on Oct 4, 2026. Its F-Droid listing was last updated on Sep 18, 2026. appsgit only lists apps whose repository had a commit in the last six months.