基于无障碍，高级选择器，订阅规则的自定义屏幕点击安卓应用 | An Android APP with custom screen tapping based on Accessibility, Advanced Selectors, and Subscription Rules

Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)

Bringing Astrid Tasks back from the dead

An open source Android library that makes handling runtime permissions extremely easy.

A lightweight Android browser with modern navigation

A small, fast web browser based on Android WebView. It's tailored for E-Ink devices but also works great on normal android devices.

Proton Mail Android app

A tool to help you debug TransactionTooLargeExceptions on Android 7+

Orion Viewer is pdf, djvu, xps, cbz and tiff file viewer for Android devices based on mupdf and DjVuLibre libraries

An application to control your pc,mac,tv,ipad etc as a mouse or keyboard from your android device using the Bluetooth HID Device profile in Android 9(Pie) & above devices

Android的开源课程表应用，支持上下课提醒，上课手机自动静音等功能。遵循Material Design设计

通过手势进行回调 上下翻页。

Starting scrcpy from your IDE