LeanType
LeanType is a free, open-source keyboard for Android. Private, customizable open-source keyboard with smart productivity tools. It has 1,099 GitHub stars and is released under the GPL-3.0-only license, and you can install it from F-Droid.
github.com/LeanBitLab/LeanType (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 LeanType
LeanType is a fast, privacy-focused, and highly customizable open-source keyboard for Android, built on the solid foundations of AOSP and HeliBoard. Designed for smooth typing, rich ergonomics, and modular productivity, LeanType gives you complete control over your keyboard experience with zero data tracking. Privacy & Offline First: 100% Open Source: No telemetry, no ads, and no background tracking. Strict Data Privacy: Your keystrokes and data remain entirely on your device. Zero Sensitive Permissions: Operates without contacts, location, or intrusive permissions. Ergonomics & Fluid Typing: Gesture Typing: Smooth swipe typing with adjustable sensitivity and preview.
Privacy and F-Droid
F-Droid builds LeanType 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.
Screenshots
Screenshots from the app's F-Droid listing.
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Is LeanType free and open source?
Yes. LeanType's source code is public on GitHub under the GPL-3.0-only 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 LeanType?
You can install LeanType from F-Droid (package com.leanbitlab.leantype); the links are on this page. Its GitHub repository also publishes releases (latest: v4.2.9).
Is LeanType still maintained?
The repository's most recent commit was on Oct 28, 2026. Its F-Droid listing was last updated on Oct 8, 2026. appsgit only lists apps whose repository had a commit in the last six months.