im-server topic

Unofficial open source mtproto server written in golang with compatible telegram client.

teamgram

YiChat-基于tigase的独立IM系统

huangfangyi

EasyChatServer是一个简单的聊天IM软件后端程序，采用SpringBoot + Netty框架。提供了单聊 群聊 发送消息 发送图片等简单功能。目前开源了两款对应的客户端： Android客户端和Javafx客户端

yetel

使用go-zero框架编写的IM服务

Path-IM

MyTelegram is Telegram server side api implementation written in c#

loyldg