Librum AlternativesOnly apps categorised as PDF Readers

The best PDF Reader alternative to Librum is calibre, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Librum and many of them are PDF Readers so hopefully you can find a suitable replacement. Other interesting PDF Reader alternatives to Librum are MuPDF, Librera Reader, FBReader and KOReader.

filter to find the best alternatives

Librum alternatives are mainly Ebook Readers but may also be PDF Readers or Ebook Libraries. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Librum.

Librum

Ebook Reader
Free • Open Source

A clean and simple way to read your books on any device and build your own online library.

More about Librum

Librum alternatives page was last updated Sep 5, 2023

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.
115 calibre alternatives
License model
- Free • Open Source
Application types
- Ebook Reader
- PDF Reader
Platforms
- Mac
- Windows
- Linux
- BSD
- Self-Hosted
- Flathub
- PortableApps.com
- Homebrew
+4
Top calibre Features
1. Built-in e-Book converter
2. Book organization
3. Built-in viewer
4. Batch conversion
5. Library Management
6. Ebook Editor
7. Supports All Ebooks Format
8. Customizable
9. DRM Free
10. E-book management
11. Book Manager
12. Ad-free
Show all NaN calibre features ▾
calibre VS Librum
Is calibre a good alternative to Librum?
- calibre is the most popular Windows, Mac, Linux & Self-Hosted alternative to Librum.
- calibre is the most popular Open Source & free alternative to Librum.
- calibre is Free and Open SourceLibrum is also Free and Open Source
- calibre is CustomizableLibrum is not according to our users

MuPDF
MuPDF is a highly versatile, customizable PDF and XPS interpreter solution that can be used across a wide range of applications as a PDF renderer, viewer, or toolkit.
87 MuPDF alternatives
License model
- Free • Open Source
Application type
- PDF Reader
Platforms
- Windows
- Linux
- Android
- F-Droid
- Xfce
+3
MuPDF Features
1. Lightweight
2. Portable
3. Vim key mapping
4. PDF annotation
5. Ad-free
Show all NaN MuPDF features ▾
MuPDF VS Librum
Is MuPDF a good alternative to Librum?
- MuPDF is the most popular Android alternative to Librum.
- MuPDF is Free and Open SourceLibrum is also Free and Open Source
- MuPDF is LightweightLibrum is not according to our users

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.
56 Librera Reader alternatives
License model
- Freemium • Open Source
Application types
- PDF Reader
- Ebook Reader
Platforms
- Android
- Android Tablet
- F-Droid
+7
Top Librera Reader Features
1. Ad-free
2. Customizable
3. No Tracking
4. Lightweight
5. Text to Speech
6. Dark Mode
7. Auto Scrolling
8. Works Offline
9. Full-Text Search
10. No registration required
11. Ebook Conversion
12. Privacy focused
Show all NaN Librera Reader features ▾
Librera Reader VS Librum
Is Librera Reader a good alternative to Librum?
- Librera Reader is the most popular Android Tablet alternative to Librum.
- Librera Reader is Freemium and Open SourceLibrum is Free and Open Source
- Librera Reader is Customizable, Lightweight and Privacy focusedLibrum is not according to our users

FBReader
E-reader application.
109 FBReader alternatives
License model
- Freemium • Proprietary
Application types
- Ebook Reader
- PDF Reader
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
FBReader Features
1. No Tracking
2. Lightweight
3. No registration required
4. Dark Mode
5. Cloud Sync
6. Calibre integration
7. Multiple languages
8. OPDS Client
9. iPhone/iPod sync
Show all NaN FBReader features ▾
FBReader VS Librum
Is FBReader a good alternative to Librum?
- FBReader is the most popular iPhone & iPad alternative to Librum.
- FBReader is Freemium and ProprietaryLibrum is Free and Open Source
- FBReader is LightweightLibrum is not according to our users

KOReader
An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Kindle, Kobo, PocketBook, Linux and Android devices.
50 KOReader alternatives
License model
- Free • Open Source
Application types
- Ebook Reader
- PDF Reader
Platforms
- Linux
- Android
- AppImageHub
- Kobo
- PocketBook Reader
- Flathub
- F-Droid
- Kindle Fire
KOReader Features
1. Built-in Dictionary
2. Ad-free
3. Dark Mode
4. Wallabag integration
5. Wikipedia integration
6. Lightweight
7. Portable
8. OCR
9. No Tracking
Show all NaN KOReader features ▾
KOReader VS Librum
Is KOReader a good alternative to Librum?

Moon+ Reader
Innovative book reader with powerful controls & full functions.
80 Moon+ Reader alternatives
+4
License model
- Freemium • Proprietary
Application types
- Ebook Reader
- PDF Reader
Platforms
- Android
- Android Tablet
Top Moon+ Reader Features
1. Text to Speech
2. Works Offline
3. Dark Mode
4. Lightweight
5. Support for Themes
6. Built-in themes
7. Ad-free
8. Support for MarkDown
9. Cloud Sync
10. No registration required
11. Full-Text Search
12. PDF annotation
Show all NaN Moon+ Reader features ▾
Moon+ Reader VS Librum
Is Moon+ Reader a good alternative to Librum?

MJ PDF Reader
A totally free of cost and ads PDF documents reader.
64 MJ PDF Reader alternatives
+1
License model
- Free • Open Source
Application type
- PDF Reader
Platforms
- Android
MJ PDF Reader Features
1. Lightweight
2. Ad-free
3. Works Offline
4. Dark Mode
5. Privacy focused
6. Full-Text Search
7. No registration required
8. No Tracking
9. PDF annotation
Show all NaN MJ PDF Reader features ▾
MJ PDF Reader VS Librum
Is MJ PDF Reader a good alternative to Librum?

Foliate
A simple and modern eBook viewer for Linux desktops.
51 Foliate alternatives
License model
- Free • Open Source
Application types
- Ebook Reader
- PDF Reader
Platforms
- Linux
- BSD
- Snapcraft
- Flathub
+3
Top Foliate Features
1. Dark Mode
2. Text Highlighting
3. Built-in Dictionary
4. Export annotations
5. Text annotation
6. Works Offline
7. Full-Text Search
8. Ad-free
9. Text to Speech
10. Privacy focused
11. No registration required
12. Support for Themes
Show all NaN Foliate features ▾
Foliate VS Librum
Is Foliate a good alternative to Librum?

ReadEra
Read book files in EPUB, PDF, DOC, DOCX, RTF, TXT, DJVU, FB2, MOBI and CHM formats. Supports chapters, bookmarks, page style. Saves the current reading position. Automatic detection and display of the list of all supported documents on your device.
71 ReadEra alternatives
License model
- Freemium • Proprietary
Application types
- Ebook Reader
- PDF Reader
Platforms
- Android
+9
ReadEra Features
1. Dark Mode
2. Fullscreen support
3. Auto fetch album covers
4. No registration required
5. Works Offline
6. Material design
7. Ad-free
Show all NaN ReadEra features ▾
ReadEra VS Librum
Is ReadEra a good alternative to Librum?

Openlib
Openlib is an open source app to download and read books from shadow library (Anna’s Archive). The App Has Built In Reader to Read Books.
55 Openlib alternatives
+5
License model
- Free • Open Source
Application types
- Ebook Reader
- PDF Reader
Platforms
- Android
Openlib Features
1. No registration required
2. Dark Mode
3. Ad-free
4. No Tracking
5. Support for Themes
6. Privacy focused
Show all NaN Openlib features ▾
Openlib VS Librum
Is Openlib a good alternative to Librum?

Xodo
Xodo is the ultimate cross-platform PDF viewer and annotator. Powerful, fast, and optimized for all phones and tablets, Xodo makes it easy to access, edit, mark up, sort, share, sync, manage, sign, and more with even the most complex PDF documents.
107 Xodo alternatives
License model
- Paid • Proprietary
Application types
- PDF Reader
- PDF Editor
Platforms
- Windows
- Online
- Android
- iPhone
- Chrome OS
- Android Tablet
- iPad
- Google Chrome
+9
Top Xodo Features
1. PDF annotation
2. Dark Mode
3. Export to PDF
4. Google Drive integration
5. Sign PDF files
6. Annotations
7. Ad-free
8. Lightweight
9. Combine PDF
10. Split PDF files
11. OCR
12. Real time collaboration
Show all NaN Xodo features ▾
Xodo VS Librum
Is Xodo a good alternative to Librum?
- Xodo is the most popular commercial alternative to Librum.
- Xodo is Paid and ProprietaryLibrum is Free and Open Source
- Xodo is LightweightLibrum is not according to our users

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...
172 Kavita alternatives
License model
- Free • Open Source
Application types
- Ebook Reader
- PDF Reader
Platforms
- Mac
- Windows
- Linux
- Self-Hosted
+4
Kavita Features
1. Web-Based
2. Lightweight
3. Offline Reading
4. Ad-free
5. No Tracking
6. Dark Mode
7. File Hosting
Show all NaN Kavita features ▾
Kavita VS Librum
Is Kavita a good alternative to Librum?