Ghidra is a software reverse engineering (SRE) framework

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

A libre lightweight streaming front-end for Android.

CAT 作为服务端项目基础组件，提供了 Java, C/C++, Node.js, Python, Go 等多语言客户端，已经在美团点评的基础架构中间件框架（MVC框架，RPC框架，数据库框架，缓存框架等，消息队列，配置系统等）深度集成，为美团点评各业务线提供系统丰富的性能指标、健康状况、实时告警等。

Zipkin is a distributed tracing system

Quarkus: Supersonic Subatomic Java.

Yahoo! Cloud Serving Benchmark

OpenGrok is a fast and usable source code search and cross reference engine, written in Java

A production-grade java implementation of RAFT consensus algorithm.

安卓平台自动化工具，无需 root。

Simple, high-performance event-driven HTTP client+server for Clojure

MicroG tweaked to work for applications such as Vanced.

A high available,high performance distributed messaging system.