#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere

Dex to Java decompiler

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

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

Telegram for Android source

PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.

Chat2DB is a free, cross-platform, local-first database client and SQL workspace for developers, DBAs, analysts, and data teams. Connect to 40+ databases, manage data, edit and run SQL, and use you…

⭐⭐⭐⭐秒杀系统设计与实现.互联网工程师进阶与分析🙋🐓

A tool for reverse engineering Android apk files

A Java serialization/deserialization library to convert Java Objects into JSON and back

No clever tagline needed.

Generate diagrams from textual description

Tools to work with android .dex and java .class files

Stetho is a debug bridge for Android applications, enabling the powerful Chrome Developer Tools and much more.

Apereo CAS - Identity & Single Sign On for all earthlings and beyond.

android java and javascript bridge, inspired by wechat webview jsbridge

MCP Server for Ghidra

Traccar GPS Tracking System

⚠️ Processing moved to processing/processing4 ⚠️

开源的 Material Design 豆瓣客户端（A Material Design app for douban.com）

漫画阅读器

Electronic Circuit Simulator in the Browser

Java Bindings for V8

Android performance test tool-CPU,memory,network traffic,starting time,battery current and status

GeoGebra apps (mirror)

A light way to build UI in custom XML.

Caja is a tool for safely embedding third party HTML, CSS and JavaScript in your website.

Lynx is an Android library created to show a custom view with all the information Android logcat is printing, different traces of different levels will be rendererd to show from log messages to you…

INACTIVE - A fast and secure browser for standalone virtual-reality and augmented-reality headsets.

SiYuan Android APP