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## What is Open-IM-Server
-> **Note** 🔍
-> English | [中文](./README_zh.md)
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Instant messaging server. Backend in pure Golang, wire transport protocol is JSON over websocket.
Everything is a message in Open-IM-Server, so you can extend custom messages easily, there is no need to modify the server code.
Using microservice architectures, Open-IM-Server can be deployed using clusters.