The Kotlin Programming Language.

A shadowsocks client for Android

🦭 Video/Audio Downloader for Android, based on yt-dlp

Using system APIs directly with adb/root privileges from normal apps through a Java process started with app_process.

Free and open source manga reader for Android

AnkiDroid: Anki flashcards on Android. Your secret trick to achieve superhuman information retention.

A modern JSON library for Kotlin and Java.

Clutterfree F-Droid client

The universal proxy toolchain for Android

Free and open source manga reader for Android

📱 Nextcloud Android app

Fcitx5 input method framework and engines ported to Android

Source code of extensions in https://github.com/keiyoushi/extensions

Outliner for taking notes and managing to-do lists

An application to write OS images to USB drives, on Android, no root required.

Session Android - Onion routing based messenger [DEPRECATED SEE README]

Adds themed icons to Lawnchair.

📱😀 Video & audio calls through Nextcloud on Android

A 3rd party V2Ray client for Android

EteSync - Secure, end-to-end encrypted, and privacy respecting sync for your contacts, calendars and tasks.

Open source Android, iOS and Web app for learning about and managing digital and physical security. From how to send a secure message to dealing with a kidnap. Umbrella has best practice guides in …

Paper phone experimental android app