《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

Demonstrate all the questions on LeetCode in the form of animation.（用动画的形式呈现解LeetCode题目的思路,完整单步/回看/变速/语音讲解在 algomooc.com）

Open Source Identity and Access Management For Modern Applications and Services

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

http下载工具，基于http代理，支持多连接分块下载

Generate diagrams from textual description

A Camera component for React Native. Also supports barcode scanning!

Implementation of Ripple effect from Material Design for Android API 9+

The Apache Tika toolkit detects and extracts metadata and text from over a thousand different file types (such as PPT, XLS, and PDF).

安卓平台自动化工具，无需 root。

Multi-source Translation

幸运大转盘 转盘抽奖