Open source ebook-reader projects

Every project in the registry tagged ebook-reader, ranked by real GitHub adoption.

projects 6 combined stars ★ 85K refresh nightly
01 koreader ★ 30K

An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices

last push4 hours ago languageLua licenseAGPL-3.0
02 calibre ★ 26K

The official source code repository for the calibre ebook manager

last push6 hours ago languagePython licenseGPL-3.0
03 readest ★ 24K

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

last push4 hours ago languageTypeScript licenseAGPL-3.0
04 Openlib ★ 2.5K

An Open source app to download and read books from shadow library (Anna’s Archive)

last push8 months ago languageDart licenseGPL-3.0
05 Lector ★ 1.6K

Qt based ebook reader

last push2 months ago languagePython licenseGPL-3.0
06 foliate-js ★ 1.1K

Render e-books in the browser

last push5 months ago languageJavaScript licenseMIT

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Frequently asked questions

How many open source ebook-reader projects are there?

This registry tracks 6 projects tagged ebook-reader, with 85,235 GitHub stars between them. The most-adopted is koreader at 29,761 stars.

Are these ebook-reader projects free to use?

Yes — 6 of the 6 carry an explicit open-source licence across 3 distinct licences, so there is no licence fee. Where a project also sells a hosted or enterprise version, the self-hosted path remains free.

Which ebook-reader project should I choose?

The list above is ranked by GitHub stars, but stars measure attention rather than fit. Check three things on each card: the licence (permissive versus copyleft), the language it is written in, and the last-push date — a high-star project that has not been pushed in a year is a liability.

Are these ebook-reader projects still maintained?

4 of the 6 were pushed in the last 90 days, and every card shows its exact last-push date so you can see the rest. Sort your shortlist by that date before committing to a migration.