Trime
Trime is a free, open-source keyboard for Android. Chinese IME with Rime Input Method Engine. It has 4,749 GitHub stars and is released under the GPL-3.0-or-later license, and you can install it from F-Droid and Google Play.
github.com/osfans/trime (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
About Trime
Trime is originally a frontend of open-source Android Traditional Chinese IME, based on RIME input method framework and written in Java/Kotlin with JNI. It is designed to protect the native language of various local dialects of Chinese and is a universal shape-based and phonetic-based input method platform.
Privacy and F-Droid
F-Droid builds Trime from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.
No anti-features flagged on the latest F-Droid build.
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Is Trime free and open source?
Yes. Trime's source code is public on GitHub under the GPL-3.0-or-later license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.
How do I install Trime?
You can install Trime from F-Droid (package com.osfans.trime) and from Google Play; the links are on this page. Its GitHub repository also publishes releases (latest: v3.3.12).
Is Trime still maintained?
The repository's most recent commit was on Oct 25, 2026. Its F-Droid listing was last updated on Sep 3, 2026. appsgit only lists apps whose repository had a commit in the last six months.