OSS-Dict
OSS-Dict is a free, open-source education app for Android. Offline Dictionaries. It has 200 GitHub stars and is released under the GPL-3.0-only license, and you can install it from F-Droid.
- Android
- Java
- Education & language
- Actively maintained
About OSS-Dict
OSS‑Dict is a fast, privacy-friendly offline dictionary reader — a modern fork of Aard 2 with Material design and enhanced features for comfortable reading and lookup. Highlights * Blazing fast searches: punctuation, diacritics and case insensitive — find entries instantly. * Bookmarks & history: save and revisit important articles quickly. * Dictionary management: import, enable/disable and organize multiple dictionary files. * Customizable article appearance: add your own CSS to change fonts, colors and layout. * Beautiful math rendering: scalable, styleable formulas that look great on any screen. * Random article for discovery, volume-button navigation, and fullscreen reading mode.
Privacy and F-Droid
F-Droid builds OSS-Dict 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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What is OSS-Dict?
OSS-Dict is a free, open-source education app for Android. Offline Dictionaries. It has 200 GitHub stars and is released under the GPL-3.0-only license, and you can install it from F-Droid.
Is OSS-Dict free and open source?
Yes. OSS-Dict'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 OSS-Dict?
You can install OSS-Dict from F-Droid (package com.akylas.aard2); the links are on this page. Its GitHub repository also publishes releases (latest: v2.1.0/80).
Is OSS-Dict still maintained?
The repository's most recent commit was on Sep 29, 2026. Its F-Droid listing was last updated on Oct 1, 2026. appsgit only lists apps whose repository had a commit in the last six months.