Cosmic IDE
Cosmic IDE is a free, open-source developer tool for Android. A full fledged Java and Kotlin IDE for Android devices. It has 750 GitHub stars and is released under the GPL-3.0-only license, and you can install it from F-Droid.
- Android
- Kotlin
- Developer & terminal tools
- Actively maintained
About Cosmic IDE
Write, build, and run real applications directly on your Android phone, tablet, or desktop setup. Integrated build output and task execution
Privacy and F-Droid
F-Droid builds Cosmic IDE 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
Screenshots from the app's F-Droid listing.
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What is Cosmic IDE?
Cosmic IDE is a free, open-source developer tool for Android. A full fledged Java and Kotlin IDE for Android devices. It has 750 GitHub stars and is released under the GPL-3.0-only license, and you can install it from F-Droid.
Is Cosmic IDE free and open source?
Yes. Cosmic IDE'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 Cosmic IDE?
You can install Cosmic IDE from F-Droid (package org.cosmicide); the links are on this page. Its GitHub repository also publishes releases (latest: v2.0.3).
Is Cosmic IDE still maintained?
The repository's most recent commit was on Sep 19, 2026. Its F-Droid listing was last updated on Oct 15, 2023. appsgit only lists apps whose repository had a commit in the last six months.