Tinker is a hot-fix solution library for Android, it supports dex, library and resources update without reinstall apk.

Powerful and flexible library for loading, caching and displaying images on Android.

DataX是阿里云DataWorks数据集成的开源版本。

基于Spring+SpringMVC+Mybatis分布式敏捷开发系统架构，提供整套公共微服务服务模块：集中权限管理（单点登录）、内容管理、支付中心、用户管理（支持第三方登录）、微信平台、存储系统、配置中心、日志分析、任务和通知等，支持服务治理、监控和追踪，努力为中小型企业打造全方位J2EE企业级开发解决方案。

Apache Hadoop

A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)

A standalone Java Decompiler GUI

Apache Doris is an easy-to-use, high performance and unified analytics database.

Arduino IDE 1.x

Apache Druid: a high performance real-time analytics database.

Microservice Architecture with Spring Boot, Spring Cloud and Docker

APM, (Application Performance Management) tool for large-scale distributed systems.

Conductor is a microservices orchestration engine.

🥤 COLA: Clean Object-oriented & Layered Architecture

Apache ZooKeeper

Generate diagrams from textual description

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

Change data capture for a variety of databases. Please log issues at https://issues.redhat.com/browse/DBZ.

Open-Source Web UI for Apache Kafka Management

业内为数不多致力于极致体验的超强全自研跨平台(windows/linux/android/iOS)流媒体内核，通过模块化自由组合，支持实时RTMP推流、RTSP推流、RTMP播放器、RTSP播放器、录像、多路流媒体转发、音视频导播、动态视频合成、音频混音、直播互动、内置轻量级RTSP服务等，比快更快，业界真正靠谱的超低延迟直播SDK(延迟低至100~200ms)。

Project vlayout is a powerfull LayoutManager extension for RecyclerView, it provides a group of layouts for RecyclerView. Make it able to handle a complicate situation when grid, list and other lay…

An asynchronous, callback-based Http client for Android built on top of Apache's HttpClient libraries.

Spinnaker is an open source, multi-cloud continuous delivery platform for releasing software changes with high velocity and confidence.

📲cim(cross IM) 适用于开发者的分布式即时通讯系统

SeaTunnel is a multimodal, high-performance, distributed, massive data integration tool.

即时通讯(IM)系统

Apache Iceberg

GoCD - Continuous Delivery server main repository

OWASP dependency-check is a software composition analysis utility that detects publicly disclosed vulnerabilities in application dependencies.

A Flexible and Powerful Parameter Server for large-scale machine learning