#messaging

Official 2Chat/n8n node for WhatsApp Messenger and WhatsApp Business

Voice & Video Calling and Text Chat SDK for JavaScript/Web

JuggleIM SDK for React Native — build real-time private chat, groups, chatrooms, and cross-platform messaging experiences.

A batteries-included event system.

The Telesign C# SDK lets you easily integrate with our REST API.

Fast, idiomatic MQTT v5 client for Go. Stdlib-only core, zero-alloc receive, auto-reconnect + resubscribe, file-backed QoS 1/2 persistence.

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Cordova plugin that wraps the Firebase Cloud Messaging SDK

Agent-to-agent messaging for AI swarms. MCP-native, single binary, local-first.

n8n nodes for the Easyhook messaging API

Managed WebSocket server and reusable client with routing, connection identity, keepalive, messaging, reconnection, and graceful restart support.

Async Python client for the Threema Gateway HTTP API

Free Chat UIKit for React — 1,000 MAU/month free forever with push notifications & no concurrency limits. Build in-app chat UI in minutes with pre-built Vue components: conversation list, large community, contact, group management.

A simple, easy to use asynchronous messaging framework for .NET

CavemanTcp is a simple TCP client and server providing callers with easy integration and full control over network reads and writes.

A set of modules for the Jelix framework, to bring the support of a community management in an application : registration, profile editing etc

Lightweight and elegant React component for adding a comments section to your app.

This CleanCodeJN package streamlines the development of web APIs in .NET applications by providing a robust framework for CRUD operations and facilitating the implementation of complex business logic in a clean and maintainable manner.

A robust RabbitMQ abstraction library for .NET

A store and forward message queue for .NET based on ServiceWire.

Implementations based on design patterns

SimpleUdp is a super simple way of building UDP clients and servers in C#.

StellMap Service is a cloud-native message queue server for distributed messaging, routing, and StellHub Cloud integration.

Free Chat UIKit for React — 1,000 MAU/month free forever with push notifications & no concurrency limits. Build in-app chat UI in minutes with pre-built React components: conversation list, large community, contact, group management.