分布式消息推送服务，可以用于客服、推送、聊天等诸多系统的 核心组件服务！

Python脚本。模拟登录知乎， 爬虫，操作excel，微信公众号，远程开机

Python入门网络爬虫之精华版

Getting Started withg Spring Security OAuth:

Security engine for Java (authentication, authorization, multi frameworks): OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...

中国移动物联网开放平台 AndroidSDK

FileServer exposes SD card of Android device over HTTP on local Wifi.

A barebones WebSocket client and server implementation written in 100% Java.

Play framework 2.0

The Community Maintained High Velocity Web Framework For Java and Scala.