Open source mobi projects

Every project in the registry tagged mobi, ranked by real GitHub adoption.

projects 4 combined stars ★ 45K refresh nightly
01 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 push7 hours ago languageTypeScript licenseAGPL-3.0
02 calibre-web ★ 18K

:books: Web app for browsing, reading and downloading eBooks stored in a Calibre database

last push12 days ago languageFluent licenseGPL-3.0
03 Lector ★ 1.6K

Qt based ebook reader

last push2 months ago languagePython licenseGPL-3.0
04 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 mobi projects are there?

This registry tracks 4 projects tagged mobi, with 45,275 GitHub stars between them. The most-adopted is readest at 24,413 stars.

Are these mobi projects free to use?

Yes — 4 of the 4 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 mobi 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 mobi projects still maintained?

3 of the 4 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.