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Usagi

Usagi is a free, open-source reading app for Android. Open-source manga reader for Android. It has 284 GitHub stars and is released under the GPL-3.0-only license, and you can install it from F-Droid.

github.com/UsagiApp/Usagi (opens in a new tab)

Data as of from the GitHub API and the F-Droid index; description from the project's repository or F-Droid listing. Report an error

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About Usagi

Usagi is a free and open-source manga reader for Android, inspired by Kotatsu Usagi's unique features: - Bypass internet firewalls with tunnels built into the app, expanding access to more content. - Integrate more new user interface styles (Modern, Classic, etc.) - Improve the ability to customize / read offline / downloaded manga. - The accompanying services are regularly updated (Sync server / client, bot, proxy, etc.) - Optimized for low-end devices / phones, continue to maintain / support for Android 5.0+ - Providing access to content with external plugins / extensions. - Provides bug fixes for features that previously existed in Kotatsu.

Privacy and F-Droid

F-Droid builds Usagi from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.

  • Relies on a non-free network service

Screenshots

  • Usagi screenshot 1
  • Usagi screenshot 2
  • Usagi screenshot 3

Screenshots from the app's F-Droid listing.

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FAQ

Usagi FAQ

Still curious? Email info@appsgit.com.

Is Usagi free and open source?

Yes. Usagi's source code is public on GitHub under the GPL-3.0-only license, which is OSI-approved or FSF-free. F-Droid flags these anti-features on its latest build: relies on a non-free network service.

How do I install Usagi?

You can install Usagi from F-Droid (package org.draken.usagi); the links are on this page. Its GitHub repository also publishes releases (latest: v1.2).

Is Usagi still maintained?

The repository's most recent commit was on Oct 25, 2026. Its F-Droid listing was last updated on Sep 5, 2026. appsgit only lists apps whose repository had a commit in the last six months.