《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现

Termux - a terminal emulator application for Android OS extendible by variety of packages.

LSPosed Framework

Style and Grammar Checker for 25+ Languages

GeoGebra apps (mirror)

Java-based Minecraft-to-OBJ exporter.