Reader GitHub Repositories (2026) · Open Source Tools

Readest is a modern, feature-rich ebook reader designed for avid readers offering seamless cross-platform access, powerful tools, and an intuitive interface to elevate your reading experience.

A modern ebook manager and reader with sync and backup capacities for Windows, macOS, Linux, Android, iOS and Web

A multi-platform document and e-book reader.

LocalViewer is a fast and full-featured Android SMB/WebDAV/CBZ/RAW photo/comic/ebook viewer and video player with folder and library support.

Just a simple, free and open-source manga reader for Android 5.0+

Hoshi Reader Android: Japanese EPUB reader with Yomitan lookup, Anki mining, audiobook read-along, and e-ink support.

A toolkit for ebooks, audiobooks and comics written in Swift

Japanese EPUB reader for iOS

🌿 It's Hacker News in your terminal

An experimental (DRM-free) EPUB reader with a CREngine renderer and a Qt reading interface, with a focus on speed and an excellent user experience.

Omnivore is a complete, open source read-it-later solution for people who like reading.

PHP QR Code library that helps you create QR codes in a jiffy

A cross platform desktop reading app, based on the Readium Desktop toolkit

A Fast, Cross-Platform Pdf Reader

A library for creating, reading and editing PE files and .NET modules.

Free and open source novel reader for Android and Desktop.

High-performance document and image viewer that prioritizes screen space and control.

Backchannel brings the internet's conversations into whatever you're reading. It blends Hacker News, Bluesky, Reddit, and more into a single discussion thread beside any page, then brings those sources together into a blended front page when you're ready to find something new.

Stay up-to-date with academic journals and the latest research articles!

Build guided Canvas workflows, read PDFs and EPUBs, and turn highlights into cited notes connected to your local Zettelkasten and knowledge graph.