Messaging middleware

7 reusable Messaging middleware libraries across every platform — libraries, SDKs, and drop-in systems. You should never have to know which ecosystem it lives in.

• Hydro0x01

  by suvitha1962-del · Free · github

  Automate your hydroponic garden with this open source IoT control system for precise monitoring and plant growth management.

  MessagingAutomation   TypeScript

• iotplatform

  by alfredang · Free · github

  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.

  MessagingAutomation   TypeScript

• kylrix

  by Kylrix · Free · github

  The only E2EE workspace where your productivity tools and autonomous agents coexist; work while you sleep

  Messaging   TypeScript

• Novu

  by Novu · Free · MIT · middleware

  Open-source notification infrastructure — email, SMS, push, and in-app in one API.

  NotificationsEmailMessaging   Node.jsTypeScriptReact

• Socket.IO

  by Socket.IO · Free · MIT · middleware

  Real-time bidirectional event-based communication between web clients and servers.

  NetworkingMessaging   Node.jsJavaScriptTypeScriptWeb

• StreetJS

  by hassanmubiru · Free · github

  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.

  AuthenticationMessagingAPIDatabase   TypeScriptNode.js

• whatsapp-cloud-inbox

  by Franciscaglazed587 · Free · github

  📱 Build a WhatsApp Web-style inbox with Next.js to send messages and templates using the WhatsApp Cloud API, all in a familiar interface.

  CloudMessagingAutomationAPI   TypeScript