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Apollo is a reliable configuration management system suitable for microservice configuration management scenarios.

http下载工具，基于http代理，支持多连接分块下载

SoloPi 自动化测试工具

Example code from Learning Spark book

A easy and high-performance monitoring system, for comprehensive monitoring and management of kafka cluster.

Android Package Inspector - dynamic analysis with api hooks, start unexported activities and more. (Xposed Module)

个性化新闻推荐系统，A news recommendation system involving collaborative filtering,content-based recommendation and hot news recommendation, can be adapted easily to be put into use in other circumstances.

a spider on the apps

算法学习与总结，包括慕课网刘宇波老师、算法竞赛入门经典、挑战程序设计竞赛、算法竞赛宝典等

User Agent Parser written in Java

Monasca common classes. Mirror of code maintained at opendev.org.