《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

🇨🇳 GitHub中文排行榜，各语言分设「软件 | 资料」榜单，精准定位中文好项目。各取所需，高效学习。

Ghidra is a software reverse engineering (SRE) framework

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

Free universal database tool and SQL client

Dex to Java decompiler

Halo 是一款强大易用的开源建站工具，从个人博客、知识库，到企业官网、在线商城，Halo 都能助您轻松实现，一站式满足您的多样化建站需求。

Learn System Design concepts and prepare for interviews using free resources.

Render After Effects animations natively on Android and iOS, Web, and React Native

An image loading and caching library for Android focused on smooth scrolling

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

阿里云计算平台DataWorks(https://help.aliyun.com/document_detail/137663.html) 团队出品，为监控而生的数据库连接池

A tool for reverse engineering Android apk files

🔥 人人可用的开源 BI 工具，数据可视化神器。An open-source BI tool alternative to Tableau.

Open-source IoT Platform - Device management, data collection, processing and visualization.

RxJava bindings for Android

Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.

Access your entire server infrastructure from your local desktop

Free implementation of Play Services

Generate diagrams from textual description

Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS

Tiny, easily embeddable HTTP server in Java.

Tutorials for using RabbitMQ in various ways

smali/baksmali

Fast. Easy. Done. Processing spreadsheets without worrying about large files causing OOM.

Automatically block unwanted, leeches and abnormal BT peers with support for customized and cloud rules.| BT 反吸血工具 - 自动封禁不受欢迎、吸血和异常的 BT 客户端，并支持自定义规则。支持 qB/qBEE/Deluge/BiglyBT/BitComet

Android USB host serial driver library for CDC, FTDI, Arduino and other devices.

Open source version of Google Authenticator (except the Android app)

An Open Source Java Decompiler Gui for Procyon