IT Xianyu
Mar 31, 2021 · Backend Development
Open-Source Instant Messaging System (CIM) Overview and Features
This article introduces the open‑source CIM instant messaging system, detailing its server‑side architecture based on Netty or Mina, multi‑platform client support (WebSocket, Android, iOS, desktop), core modules, directory structure, and a preview of its console and client interfaces.
CIMInstant MessagingMobile
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