1106 Open source projects that are alternatives of or similar to Sum

💬 Easy way to create conversation chats

A distributed, serverless, peer-to-peer chat application on IPFS

AMQP 1.0 support for RabbitMQ

The communications platform that puts data protection first.

Hyperf Chat

A Laravel package that allows you to add a complete user messaging system into your new/existing Laravel application.

Object oriented event emitter based framework for building chat applications in Javascript.

🚀 lightweight high-performance WebSocket framework （ 轻量级、高性能的WebSocket框架）

A clean and easy to use RSS Newsfeed Bot for fabulous Telegram Messenger App! 🤖 ✉️ ❤️

基于Netty+TCP+Protobuf实现的Android IM库，包含Protobuf序列化、TCP拆包与粘包、长连接握手认证、心跳机制、断线重连机制、消息重发机制、读写超时机制、离线消息、线程池等功能。

MQTT Chat Using Mosca

Legacy mobile Rocket.Chat client in Kotlin for Android

A JavaScript playground that auto-evaluates as you type

Plug-in Viber connector for Microsoft BotBuilder framework

🚌 Simple and lean service bus implementation for .NET

开源的即时通讯(野火IM)系统

React Native Wrapper around Zendesk Chat v2

Android client for Project Tox - Secure Peer to Peer Messaging

Lookerbot lets you access all your Looker data from Slack! Super fun!

Simple Golang HTTPS/TLS Examples

💬 uniapp集成环信小程序sdk,实现多端实时通讯

Vonage REST API client for PHP. API support for SMS, Voice, Text-to-Speech, Numbers, Verify (2FA) and more.

Sandglass is a distributed, horizontally scalable, persistent, time sorted message queue.

Podcast app made with Electron, lots of ❤️ and ☕️

A simple Java library to interface with Firebase Cloud Messaging (FCM) API. Pushraven allows you to push notifications to clients in very few lines of code.

Sample application for ElectronJS working with Sqlite3

Definitely the best way to make Bots on Facebook Messenger with Ruby

A convenient way to handle messages between users in a simple way

Securing MEAN Stack (Angular 5) Web Application using Passport Authentication

send a message through a safe, private, and encrypted link that automatically expires to ensure your stuff does not remain online forever.

Facebook protocol plugin for libpurple (moved from jgeboski/purple-facebook)

Pure web client for viewing and managing Stellar accounts

interface for writing peer-to-peer distributed chat clients

[Replaced by https://invent.kde.org/network/kaidan] Kaidan, a simple and user-friendly Jabber/XMPP client for every device and platform.

Free and open fair-code licensed all-in-one growth marketing & management software

android ListView with speech bubbles to demonstrate the implementation speech bubbles of chat and message in application.

goim server write by golang !🚀

A p2p, secure file storage, social network and application protocol

Deploy Rocket.Chat with Ansible!

DualSub: bilingual subtitles maker

📥 An email client that functions like a kanban board.

The State of Messaging Security 2020: メールおよびメッセージングアプリのセキュリティプロトコルの現在

Bluetooth mesh messaging SDK for apps

A community discussion platform: Brings together the main features from StackOverflow, Slack, Discourse, Reddit, and Disqus blog comments.

iotalk is a privacy-minded messaging system built on the IOTA Tangle. Messages are encrypted so only the intended recipient can read them.

Instant, disposable, single-binary web based live chat server. Go + VueJS.

A Windows console application that calls a web API using its app identity (instead of a user's identity) to get access tokens in an unattended job or process.

Open source RabbitMQ: core server and tier 1 (built-in) plugins

📱A chat application for GitHub. React + PWA + Node(koa2) + Typescripts + Mysql + Socket.io

Web torrent downloader and cloud storage.

A beautiful, cross-platform REST client.

desktopJS provides a common API across multiple HTML5 containers. By programming to a common API, applications can target multiple HTML5 containers without change.

The most popular service bus for .NET

🔥 A highly advance featured chat app in android using Firestore

Streaming room in Node.js, rtmp, hsl, html5 videojs player

An open drawing project

A complete overhaul of the Golang wrapper for libsodium

EasyChat是一个开源的社交类的App。主要包含消息、好友、群组等相关的IM核心功能。部分界面参照了QQ、微信等相关社交APP。EasyChat APP整体采用MVVM模式，基于JetPack(Lifecycle，LiveData，ViewModel，Room)构建

⚛⚗ A desktop App which displays the periodic table

An iOS chat app written following a VIPER architecture and BDD