Messaging middleware
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@chat-adapter/discord
Discord adapter for Chat SDK — HTTP interactions, Gateway events, slash commands, and embeds
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@chat-adapter/gchat
Google Chat adapter for Chat SDK — service account auth, Card v2, dialogs, and Workspace Events
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@chat-adapter/messenger
Facebook Messenger adapter for Chat SDK — Send API webhooks, templates, and quick replies
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@chat-adapter/slack
Slack adapter for Chat SDK — webhooks, Block Kit cards, OAuth, slash commands, and AI streaming
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@chat-adapter/teams
Microsoft Teams adapter for Chat SDK — Bot Framework webhooks, Adaptive Cards, and Graph API
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@chat-adapter/telegram
Telegram adapter for Chat SDK — Bot API webhooks, inline keyboards, reactions, and streaming
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@chat-adapter/twilio
Twilio adapter for Chat SDK — SMS and MMS bots with Messaging webhooks and the Messages API
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@chat-adapter/whatsapp
WhatsApp adapter for Chat SDK — Business Cloud API webhooks, interactive messages, and templates
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@mataram/wa
A WebSockets library for interacting with WhatsApp Web
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< polycule >
A geeky and efficient [matrix] client for power users
Messaging Android -
a2acast
Zero-infrastructure A2A messaging between AI agents on different machines — Claude, ChatGPT/Codex, Copilot, any harness; ntfy relay transport, no ports, no server
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aws-c-mqtt
C99 implementation of the MQTT 3.1.1 specification
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BombusMod
Messaging client
Messaging Android -
chat
Chat SDK — universal TypeScript toolkit for building multi-platform chat bots and AI agents on Slack, Teams, Google Chat, Discord, WhatsApp, and more
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chromium-bridge
Authenticated MCP bridge to your real Chromium browsers (Brave, Chrome): Rust native-messaging host + MV3 extension, no debug port
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Clipplane
Local-first web clipping: save pages and selections to a local org-mode inbox, keep an inspectable capture trail, and sync to Notion/flomo only when you choose.
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ctl
Conduktor CLI to perform operations directly from your command line or a CI/CD pipeline
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DankChat
A simple app to chat on Twitch.tv
Messaging Android -
Databag
A federated chat client designed for privacy and selfhosting.
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devicechain
A modern, cloud-native IoT Application Enablement Platform built in Go and React.
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Dib2Qm
Messenger for secured chats and groups (end-to-end encrypted)
Messaging Android -
Ermis
Ermis M is an open-source, privacy focused mobile chat application.
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Faraday
Secure messenger for Matrix based on Element
Messaging Android -
first-run
Embeddable customer-activation agent for small B2B SaaS companies
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Forkgram
Forkgram is a fork of the official Telegram for Android application.
Messaging Android -
Forkgram Classic
A Telegram fork preserving the classic UI from before the Liquid Glass era.
Messaging Android -
fq
Brokered message queue optimized for performance
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Goregram
A Telegram fork with minimal extra features
Messaging Android -
hms-baby-tracker
Home Assistant app/add-on for newborn care tracking — Ingress UI, ESP32 MQTT remote, native entities. Self-contained FastAPI + SQLite.
Messaging Python -
Hydro0x01
Automate your hydroponic garden with this open source IoT control system for precise monitoring and plant growth management.
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imsdk-web
JuggleIM SDK for Web — IM Chat, private chat, groups, chatrooms, media messages, read receipts, multi-device sync, and extensible message types.
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instagram-auto-dm-bot
📩 Automate direct messaging on Instagram to boost engagement and streamline outreach for marketers, influencers, and businesses.
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iotplatform
Low-code, self-hosted IoT platform powered by n8n — connect Arduino/ESP32/Raspberry Pi over MQTT & HTTP, control devices in real time from web & mobile (Blynk-style virtual pins), and automate with drag-and-drop n8n flows. Next.js 16, Prisma, PostgreSQL, Docker.
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jugglechat-android
Open-source JuggleChat Android app built on JuggleIM — IM Chat, private chat, groups, media messages, social feed, and audio/video calls.
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kylrix
The only E2EE workspace where your productivity tools and autonomous agents coexist; work while you sleep
Messaging TypeScript -
Launch Chat
Start a WhatsApp, Signal or Telegram chat without saving a number as a contact
Messaging Android -
Mercurygram
Telegram is a messaging app with a focus on speed and security.
Messaging Android -
messaging-api-messenger
Messaging API client for Messenger
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motordesk-api
Backend Spring Boot SaaS para lubricentros con facturacion electronica SUNAT, inventario, correlativos offline, RabbitMQ, PDFs A4/80mm y storage local/Google Drive.
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n8n-nodes-dinastiapi
n8n community nodes for DinastiAPI - WhatsApp Multi-Device REST API
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node_express_mysql
🚀 Build a REST API server with Node.js and Sequelize for MySQL, featuring user management and modular route support.
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nodejs-quickstart-structure
Powerful Node.js Generator to scaffold production-ready Microservices using MVC or Clean Architecture. Built-in Kafka, GraphQL, Security & AI-Native Support.
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Novu
Open-source notification infrastructure — email, SMS, push, and in-app in one API.
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odctl
A curated collection of open source technologies and an accompanying CLI for experimenting with modern data architecture and MLOps.
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Olvid
Private messaging for everyone
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Organiso
An android SMS app that automatically organises user's messages.
Messaging Android -
pire-browser
Firefox automation CLI and Pi package for AI agents
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plasmite
Easy interprocess communication based on persistent JSON message queues
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QwenChat2Api
🚀 Transform your Qwen web chat into OpenAI-compatible API responses with features like token management and multi-modal support.
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rabbitmq-c
C AMQP client library for RabbitMQ
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Redis
In-memory data store used as a database, cache, and message broker.
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servicehub-backend
Production-ready marketplace backend — Go · gRPC · PostgreSQL 18 · PASETO · Clean Architecture · Docker
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simple-iot
The Minimal IoT Platform — single-binary Spring Boot 4 + Vue 3 IoT platform. Built-in MQTT broker, visual rule engine, hot-loaded protocol scripts.
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Socket.IO
Real-time bidirectional event-based communication between web clients and servers.
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SocketChat
A simple app to chat with anyone you want on the same network.
Messaging Android -
StreetJS
StreetJS Framework is a TypeScript-first backend framework designed for developers who want production-grade performance, security-focused defaults, bounded resource management, and minimal dependency exposure without sacrificing developer experience.
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tabctl
Control Firefox, Chrome, and friends from the command line. List, switch, close, and open tabs across browsers via D-Bus.
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telegram-spam-booster
Built for devs who need automated bulk messaging across Telegram groups and channels
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teley-v2
💬 A modern Telegram-inspired messaging platform built with Next.js, TypeScript, Clerk, Convex, and Tailwind CSS featuring real-time chat, authentication, and a clean responsive UI.
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TRIfA
TRIfA Tox Client
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void
One inbox for everything — unified CLI for WhatsApp, Telegram, Slack, Gmail, Calendar, Drive, LinkedIn & Hacker News. Local-first, agent-ready.
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Weechat-Android
Relay client for the WeeChat IRC client.
Messaging Android -
whatsapp-cloud-inbox
📱 Build a WhatsApp Web-style inbox with Next.js to send messages and templates using the WhatsApp Cloud API, all in a familiar interface.
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Wire • Secure Messenger
Wire offers highly secure communication – anywhere and anytime.
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xvii messenger for vk
simple and handy messenger for vk social network but with extra features
Messaging Android -
zhiyan-evolviq
智衍 EvolvIQ —— 全球首个开源 AI-Native 工业 Agent 平台。25 个工业智能分身覆盖产线·管理·供应链三层（供应链/良率/质量追溯/DFM/OEE/设备预测维护等），支持 MCP 能力联邦、OPC-UA/Modbus/MQTT 工业协议网关与 Neo4j 跨 Agent 知识图谱。Apache-2.0 全开源。